diff --git a/packages/BUILD.bazel b/packages/BUILD.bazel
index f7259928cf..6eabba7244 100644
--- a/packages/BUILD.bazel
+++ b/packages/BUILD.bazel
@@ -5,16 +5,9 @@ exports_files([
     "tsconfig.json",
 ])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_config", "ts_library")
-
-ts_config(
-    name = "tsconfig",
-    src = ":tsconfig-build.json",
-    deps = [],
-)
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "types",
     srcs = glob(["*.ts"]),
-    tsconfig = ":tsconfig",
 )
diff --git a/packages/animations/BUILD.bazel b/packages/animations/BUILD.bazel
index 97e495fc58..6d1996dfe0 100644
--- a/packages/animations/BUILD.bazel
+++ b/packages/animations/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "animations",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/animations",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
     ],
diff --git a/packages/animations/browser/BUILD.bazel b/packages/animations/browser/BUILD.bazel
index 64638883cb..a3e87e816d 100644
--- a/packages/animations/browser/BUILD.bazel
+++ b/packages/animations/browser/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "browser",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/animations/browser",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/animations",
     ],
diff --git a/packages/animations/browser/test/BUILD.bazel b/packages/animations/browser/test/BUILD.bazel
index a735555485..4c0dc0eee0 100644
--- a/packages/animations/browser/test/BUILD.bazel
+++ b/packages/animations/browser/test/BUILD.bazel
@@ -1,10 +1,9 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "test",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/animations",
diff --git a/packages/animations/browser/testing/BUILD.bazel b/packages/animations/browser/testing/BUILD.bazel
index b7f72b9262..3da2014fe1 100644
--- a/packages/animations/browser/testing/BUILD.bazel
+++ b/packages/animations/browser/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/animations/browser/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/animations",
         "//packages/animations/browser",
diff --git a/packages/animations/test/BUILD.bazel b/packages/animations/test/BUILD.bazel
index fa2cc4142e..5e023cb785 100644
--- a/packages/animations/test/BUILD.bazel
+++ b/packages/animations/test/BUILD.bazel
@@ -1,10 +1,9 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "test",
     testonly = 1,
     srcs = glob(["test/**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/animations",
diff --git a/packages/common/BUILD.bazel b/packages/common/BUILD.bazel
index 50bccee698..665906b0ed 100644
--- a/packages/common/BUILD.bazel
+++ b/packages/common/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "common",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/common",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "@rxjs",
diff --git a/packages/common/http/BUILD.bazel b/packages/common/http/BUILD.bazel
index 98f335c0cc..327cbd783d 100644
--- a/packages/common/http/BUILD.bazel
+++ b/packages/common/http/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "http",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/common/http",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common",
         "//packages/core",
diff --git a/packages/common/http/testing/BUILD.bazel b/packages/common/http/testing/BUILD.bazel
index 6cf5ff72b7..4fa20c9ee8 100644
--- a/packages/common/http/testing/BUILD.bazel
+++ b/packages/common/http/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/common/http/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common/http",
         "//packages/core",
diff --git a/packages/common/locales/BUILD.bazel b/packages/common/locales/BUILD.bazel
index c0d43c43a9..bf64b9cce6 100644
--- a/packages/common/locales/BUILD.bazel
+++ b/packages/common/locales/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "locales",
@@ -9,7 +9,4 @@ ts_library(
         exclude = ["closure-locale.ts"],
     ),
     module_name = "@angular/common/locales",
-    tsconfig = "//packages:tsconfig",
-    deps = [
-    ],
 )
diff --git a/packages/common/test/BUILD.bazel b/packages/common/test/BUILD.bazel
index 8022ddd33e..4f3aa6a590 100644
--- a/packages/common/test/BUILD.bazel
+++ b/packages/common/test/BUILD.bazel
@@ -1,4 +1,5 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
@@ -8,7 +9,6 @@ ts_library(
         ["**/*.ts"],
         exclude = ["**/*_node_only_spec.ts"],
     ),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common",
         "//packages/common/locales",
diff --git a/packages/common/testing/BUILD.bazel b/packages/common/testing/BUILD.bazel
index c1c2b4c2ca..f25172780d 100644
--- a/packages/common/testing/BUILD.bazel
+++ b/packages/common/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/common/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common",
         "//packages/core",
diff --git a/packages/compiler/BUILD.bazel b/packages/compiler/BUILD.bazel
index f6d2b6f4b1..d3344f6307 100644
--- a/packages/compiler/BUILD.bazel
+++ b/packages/compiler/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "compiler",
@@ -11,5 +11,4 @@ ts_library(
         ],
     ),
     module_name = "@angular/compiler",
-    tsconfig = "//packages:tsconfig",
 )
diff --git a/packages/compiler/test/BUILD.bazel b/packages/compiler/test/BUILD.bazel
index b74e1d0fe9..b64042d089 100644
--- a/packages/compiler/test/BUILD.bazel
+++ b/packages/compiler/test/BUILD.bazel
@@ -1,4 +1,5 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
@@ -8,7 +9,6 @@ ts_library(
         ["**/*.ts"],
         exclude = ["**/*_node_only_spec.ts"],
     ),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/common",
@@ -27,7 +27,6 @@ ts_library(
     name = "test_node_only_lib",
     testonly = 1,
     srcs = glob(["**/*_node_only_spec.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         ":test_lib",
         "//packages/compiler",
diff --git a/packages/compiler/testing/BUILD.bazel b/packages/compiler/testing/BUILD.bazel
index 465c0d6a97..0161c326a9 100644
--- a/packages/compiler/testing/BUILD.bazel
+++ b/packages/compiler/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/compiler/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/compiler",
diff --git a/packages/core/BUILD.bazel b/packages/core/BUILD.bazel
index 7409716f8e..0ac5dc22f7 100644
--- a/packages/core/BUILD.bazel
+++ b/packages/core/BUILD.bazel
@@ -1,7 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@angular//:index.bzl", "ng_module")
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ng_module")
 
 ng_module(
     name = "core",
@@ -12,7 +11,6 @@ ng_module(
         ],
     ),
     module_name = "@angular/core",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "@rxjs",
diff --git a/packages/core/test/BUILD.bazel b/packages/core/test/BUILD.bazel
index 3c6557e073..7cbe649ebd 100644
--- a/packages/core/test/BUILD.bazel
+++ b/packages/core/test/BUILD.bazel
@@ -1,6 +1,7 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
@@ -13,7 +14,6 @@ ts_library(
             "render3/**/*.ts",
         ],
     ),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/animations",
         "//packages/animations/browser",
@@ -37,7 +37,6 @@ ts_library(
     name = "test_node_only_lib",
     testonly = 1,
     srcs = glob(["**/*_node_only_spec.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         ":test_lib",
         "//packages/compiler",
diff --git a/packages/core/test/render3/BUILD.bazel b/packages/core/test/render3/BUILD.bazel
index c7520c46b5..7a2b7839ac 100644
--- a/packages/core/test/render3/BUILD.bazel
+++ b/packages/core/test/render3/BUILD.bazel
@@ -1,6 +1,7 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
@@ -14,6 +15,7 @@ ts_library(
             "load_domino.ts",
         ],
     ),
+    # TODO(alexeagle): should not be different tsconfig
     tsconfig = "//packages:tsconfig.json",
     deps = [
         "//packages:types",
@@ -34,7 +36,6 @@ ts_library(
         "domino.d.ts",
         "load_domino.ts",
     ],
-    tsconfig = "//packages:tsconfig",
     deps = [
         ":render3_lib",
         "//packages/platform-browser",
diff --git a/packages/core/testing/BUILD.bazel b/packages/core/testing/BUILD.bazel
index a976557437..2e9a59ce59 100644
--- a/packages/core/testing/BUILD.bazel
+++ b/packages/core/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/core/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/core",
diff --git a/packages/forms/BUILD.bazel b/packages/forms/BUILD.bazel
index 50c41d4527..4b0e914e19 100644
--- a/packages/forms/BUILD.bazel
+++ b/packages/forms/BUILD.bazel
@@ -1,7 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@angular//:index.bzl", "ng_module")
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ng_module")
 
 ng_module(
     name = "forms",
@@ -12,7 +11,6 @@ ng_module(
         ],
     ),
     module_name = "@angular/forms",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/platform-browser",
diff --git a/packages/forms/test/BUILD.bazel b/packages/forms/test/BUILD.bazel
index 650a64edd6..3ae89405a1 100644
--- a/packages/forms/test/BUILD.bazel
+++ b/packages/forms/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/core/testing",
diff --git a/packages/http/BUILD.bazel b/packages/http/BUILD.bazel
index 4df225bc0a..b3af3d4b73 100644
--- a/packages/http/BUILD.bazel
+++ b/packages/http/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "http",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/http",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/platform-browser",
diff --git a/packages/http/test/BUILD.bazel b/packages/http/test/BUILD.bazel
index 944fe9acdb..2d0cf76545 100644
--- a/packages/http/test/BUILD.bazel
+++ b/packages/http/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/core/testing",
diff --git a/packages/http/testing/BUILD.bazel b/packages/http/testing/BUILD.bazel
index 3e049d473d..61a2f682f7 100644
--- a/packages/http/testing/BUILD.bazel
+++ b/packages/http/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/http/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/http",
diff --git a/packages/language-service/BUILD.bazel b/packages/language-service/BUILD.bazel
index 99274760a5..748a993663 100644
--- a/packages/language-service/BUILD.bazel
+++ b/packages/language-service/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "language-service",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/language-service",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/compiler",
diff --git a/packages/language-service/test/BUILD.bazel b/packages/language-service/test/BUILD.bazel
index 8bf96dbe20..3e92cadb9b 100644
--- a/packages/language-service/test/BUILD.bazel
+++ b/packages/language-service/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/compiler",
diff --git a/packages/platform-browser-dynamic/BUILD.bazel b/packages/platform-browser-dynamic/BUILD.bazel
index b3333d1294..4b49611d4c 100644
--- a/packages/platform-browser-dynamic/BUILD.bazel
+++ b/packages/platform-browser-dynamic/BUILD.bazel
@@ -1,7 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@angular//:index.bzl", "ng_module")
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "platform-browser-dynamic",
@@ -12,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/platform-browser-dynamic",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/common",
diff --git a/packages/platform-browser-dynamic/test/BUILD.bazel b/packages/platform-browser-dynamic/test/BUILD.bazel
index 09c3a0e595..4b416cd2d3 100644
--- a/packages/platform-browser-dynamic/test/BUILD.bazel
+++ b/packages/platform-browser-dynamic/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/compiler",
diff --git a/packages/platform-browser-dynamic/testing/BUILD.bazel b/packages/platform-browser-dynamic/testing/BUILD.bazel
index 3a3086d679..86b73bf42c 100644
--- a/packages/platform-browser-dynamic/testing/BUILD.bazel
+++ b/packages/platform-browser-dynamic/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/platform-browser-dynamic/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/compiler",
         "//packages/compiler/testing",
diff --git a/packages/platform-browser/BUILD.bazel b/packages/platform-browser/BUILD.bazel
index 0e9aa2e25d..b55119fc08 100644
--- a/packages/platform-browser/BUILD.bazel
+++ b/packages/platform-browser/BUILD.bazel
@@ -1,7 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@angular//:index.bzl", "ng_module")
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "platform-browser",
@@ -12,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/platform-browser",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/common",
diff --git a/packages/platform-browser/animations/BUILD.bazel b/packages/platform-browser/animations/BUILD.bazel
index 7690a16f86..66fe1450f2 100644
--- a/packages/platform-browser/animations/BUILD.bazel
+++ b/packages/platform-browser/animations/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "animations",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/platform-browser/animations",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/animations",
         "//packages/animations/browser",
diff --git a/packages/platform-browser/test/BUILD.bazel b/packages/platform-browser/test/BUILD.bazel
index 8a102941cd..01354f6930 100644
--- a/packages/platform-browser/test/BUILD.bazel
+++ b/packages/platform-browser/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/animations",
diff --git a/packages/platform-browser/testing/BUILD.bazel b/packages/platform-browser/testing/BUILD.bazel
index 4cd6e12678..50f8f8cbad 100644
--- a/packages/platform-browser/testing/BUILD.bazel
+++ b/packages/platform-browser/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/platform-browser/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/platform-browser",
diff --git a/packages/platform-server/BUILD.bazel b/packages/platform-server/BUILD.bazel
index 0d9f44a990..abcdb545f9 100644
--- a/packages/platform-server/BUILD.bazel
+++ b/packages/platform-server/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "platform-server",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/platform-server",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/animations/browser",
         "//packages/common",
diff --git a/packages/platform-server/test/BUILD.bazel b/packages/platform-server/test/BUILD.bazel
index 5fbdf6f688..b852cca401 100644
--- a/packages/platform-server/test/BUILD.bazel
+++ b/packages/platform-server/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/animations",
diff --git a/packages/platform-server/testing/BUILD.bazel b/packages/platform-server/testing/BUILD.bazel
index 56b81727ff..9686f784a2 100644
--- a/packages/platform-server/testing/BUILD.bazel
+++ b/packages/platform-server/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/platform-server/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/platform-browser-dynamic/testing",
diff --git a/packages/platform-webworker-dynamic/BUILD.bazel b/packages/platform-webworker-dynamic/BUILD.bazel
index 8db8972d90..8cfe8dd186 100644
--- a/packages/platform-webworker-dynamic/BUILD.bazel
+++ b/packages/platform-webworker-dynamic/BUILD.bazel
@@ -1,7 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@angular//:index.bzl", "ng_module")
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "platform-webworker-dynamic",
@@ -12,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/platform-webworker-dynamic",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/common",
diff --git a/packages/platform-webworker/BUILD.bazel b/packages/platform-webworker/BUILD.bazel
index 0aa29e4a5c..21342dc160 100644
--- a/packages/platform-webworker/BUILD.bazel
+++ b/packages/platform-webworker/BUILD.bazel
@@ -1,7 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@angular//:index.bzl", "ng_module")
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "platform-webworker",
@@ -12,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/platform-webworker",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/common",
diff --git a/packages/platform-webworker/test/BUILD.1.bazel b/packages/platform-webworker/test/BUILD.1.bazel
index 3a3086d679..86b73bf42c 100644
--- a/packages/platform-webworker/test/BUILD.1.bazel
+++ b/packages/platform-webworker/test/BUILD.1.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/platform-browser-dynamic/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/compiler",
         "//packages/compiler/testing",
diff --git a/packages/platform-webworker/test/BUILD.bazel b/packages/platform-webworker/test/BUILD.bazel
index 0da9f89b1e..0e243b7983 100644
--- a/packages/platform-webworker/test/BUILD.bazel
+++ b/packages/platform-webworker/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/compiler",
diff --git a/packages/router/BUILD.bazel b/packages/router/BUILD.bazel
index 0723bd66cc..0f1334a761 100644
--- a/packages/router/BUILD.bazel
+++ b/packages/router/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "router",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/router",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common",
         "//packages/core",
diff --git a/packages/router/test/BUILD.bazel b/packages/router/test/BUILD.bazel
index d7c98af84c..f1bb648575 100644
--- a/packages/router/test/BUILD.bazel
+++ b/packages/router/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common",
         "//packages/common/testing",
diff --git a/packages/router/testing/BUILD.bazel b/packages/router/testing/BUILD.bazel
index d35efe25eb..97aaa0691f 100644
--- a/packages/router/testing/BUILD.bazel
+++ b/packages/router/testing/BUILD.bazel
@@ -1,13 +1,12 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/router/testing",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common",
         "//packages/common/testing",
diff --git a/packages/service-worker/BUILD.bazel b/packages/service-worker/BUILD.bazel
index acc3911a3b..5b524dc537 100644
--- a/packages/service-worker/BUILD.bazel
+++ b/packages/service-worker/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "service-worker",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/service-worker",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/common",
         "//packages/core",
diff --git a/packages/service-worker/test/BUILD.bazel b/packages/service-worker/test/BUILD.bazel
index f9e00ecc67..f3a6d5f242 100644
--- a/packages/service-worker/test/BUILD.bazel
+++ b/packages/service-worker/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/core",
diff --git a/packages/service-worker/testing/BUILD.bazel b/packages/service-worker/testing/BUILD.bazel
index db332e5daf..995c34ca29 100644
--- a/packages/service-worker/testing/BUILD.bazel
+++ b/packages/service-worker/testing/BUILD.bazel
@@ -1,13 +1,10 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/service-worker/testing",
-    tsconfig = "//packages:tsconfig",
-    deps = [
-    ],
 )
diff --git a/packages/service-worker/worker/test/BUILD.bazel b/packages/service-worker/worker/test/BUILD.bazel
index b9ba5c8154..1126df9d0c 100644
--- a/packages/service-worker/worker/test/BUILD.bazel
+++ b/packages/service-worker/worker/test/BUILD.bazel
@@ -1,4 +1,4 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
@@ -7,7 +7,6 @@ ts_library(
     srcs = glob(
         ["**/*.ts"],
     ),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/service-worker/worker",
diff --git a/packages/service-worker/worker/testing/BUILD.bazel b/packages/service-worker/worker/testing/BUILD.bazel
index a29d54969b..dcef9c75c8 100644
--- a/packages/service-worker/worker/testing/BUILD.bazel
+++ b/packages/service-worker/worker/testing/BUILD.bazel
@@ -1,12 +1,11 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "testing",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/service-worker/worker",
diff --git a/packages/upgrade/BUILD.bazel b/packages/upgrade/BUILD.bazel
index 413cf2f688..15785c29d1 100644
--- a/packages/upgrade/BUILD.bazel
+++ b/packages/upgrade/BUILD.bazel
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "upgrade",
@@ -11,7 +11,6 @@ ts_library(
         ],
     ),
     module_name = "@angular/upgrade",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/platform-browser",
diff --git a/packages/upgrade/static/BUILD.bazel b/packages/upgrade/static/BUILD.bazel
index 2f791e7078..1b5d8028e8 100644
--- a/packages/upgrade/static/BUILD.bazel
+++ b/packages/upgrade/static/BUILD.bazel
@@ -1,12 +1,11 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "static",
     srcs = glob(["**/*.ts"]),
     module_name = "@angular/upgrade/static",
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core",
         "//packages/platform-browser",
diff --git a/packages/upgrade/test/BUILD.bazel b/packages/upgrade/test/BUILD.bazel
index 1e6315af0d..458787367a 100644
--- a/packages/upgrade/test/BUILD.bazel
+++ b/packages/upgrade/test/BUILD.bazel
@@ -1,11 +1,11 @@
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library", "ts_web_test")
+load("//tools:defaults.bzl", "ts_library")
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_web_test")
 load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
 
 ts_library(
     name = "test_lib",
     testonly = 1,
     srcs = glob(["**/*.ts"]),
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages:types",
         "//packages/core",
diff --git a/tools/BUILD.bazel b/tools/BUILD.bazel
new file mode 100644
index 0000000000..71b169e14f
--- /dev/null
+++ b/tools/BUILD.bazel
@@ -0,0 +1 @@
+# Marker file indicating this folder is a Bazel package
diff --git a/tools/defaults.bzl b/tools/defaults.bzl
new file mode 100644
index 0000000000..328a9d456d
--- /dev/null
+++ b/tools/defaults.bzl
@@ -0,0 +1,15 @@
+"""Re-export of some bazel rules with repository-wide defaults."""
+load("@build_bazel_rules_typescript//:defs.bzl", _ts_library = "ts_library")
+load("@angular//:index.bzl", _ng_module = "ng_module")
+
+DEFAULT_TSCONFIG = "//packages:tsconfig-build.json"
+
+def ts_library(tsconfig = None, **kwargs):
+  if not tsconfig:
+    tsconfig = DEFAULT_TSCONFIG
+  _ts_library(tsconfig = tsconfig, **kwargs)
+
+def ng_module(tsconfig = None, **kwargs):
+  if not tsconfig:
+    tsconfig = DEFAULT_TSCONFIG
+  _ng_module(tsconfig = tsconfig, **kwargs)
\ No newline at end of file
diff --git a/tools/testing/BUILD.bazel b/tools/testing/BUILD.bazel
index 5d2f741e52..608097e237 100644
--- a/tools/testing/BUILD.bazel
+++ b/tools/testing/BUILD.bazel
@@ -1,12 +1,11 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@build_bazel_rules_typescript//:defs.bzl", "ts_library")
+load("//tools:defaults.bzl", "ts_library")
 
 ts_library(
     name = "browser",
     testonly = 1,
     srcs = ["init_browser_spec.ts"],
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core/testing",
         "//packages/platform-browser-dynamic/testing",
@@ -18,7 +17,6 @@ ts_library(
     name = "node",
     testonly = 1,
     srcs = ["init_node_spec.ts"],
-    tsconfig = "//packages:tsconfig",
     deps = [
         "//packages/core/testing",
         "//packages/platform-server",