diff --git a/packages/compiler-cli/src/ngcc/src/packages/transformer.ts b/packages/compiler-cli/src/ngcc/src/packages/transformer.ts
index a742f8352b..b799970903 100644
--- a/packages/compiler-cli/src/ngcc/src/packages/transformer.ts
+++ b/packages/compiler-cli/src/ngcc/src/packages/transformer.ts
@@ -85,8 +85,8 @@ export class Transformer {
 
     console.time(entryPoint.name + '(rendering)');
     // Transform the source files and source maps.
-    const renderer =
-        this.getRenderer(format, packageProgram, reflectionHost, isCore, r3SymbolsFile);
+    const renderer = this.getRenderer(
+        format, packageProgram, reflectionHost, isCore, r3SymbolsFile, transformDts);
     const renderedFiles =
         renderer.renderProgram(packageProgram, decorationAnalyses, switchMarkerAnalyses);
     console.timeEnd(entryPoint.name + '(rendering)');
@@ -125,14 +125,14 @@ export class Transformer {
 
   getRenderer(
       format: string, program: ts.Program, host: NgccReflectionHost, isCore: boolean,
-      rewriteCoreImportsTo: ts.SourceFile|null): Renderer {
+      rewriteCoreImportsTo: ts.SourceFile|null, transformDts: boolean): Renderer {
     switch (format) {
       case 'esm2015':
       case 'esm5':
       case 'fesm2015':
       case 'fesm5':
         return new EsmRenderer(
-            host, isCore, rewriteCoreImportsTo, this.sourcePath, this.targetPath);
+            host, isCore, rewriteCoreImportsTo, this.sourcePath, this.targetPath, transformDts);
       default:
         throw new Error(`Renderer for "${format}" not yet implemented.`);
     }
diff --git a/packages/compiler-cli/src/ngcc/src/rendering/esm_renderer.ts b/packages/compiler-cli/src/ngcc/src/rendering/esm_renderer.ts
index a0b3394c74..aa59ab1640 100644
--- a/packages/compiler-cli/src/ngcc/src/rendering/esm_renderer.ts
+++ b/packages/compiler-cli/src/ngcc/src/rendering/esm_renderer.ts
@@ -15,8 +15,8 @@ export class EsmRenderer extends Renderer {
   constructor(
       protected host: NgccReflectionHost, protected isCore: boolean,
       protected rewriteCoreImportsTo: ts.SourceFile|null, protected sourcePath: string,
-      protected targetPath: string) {
-    super(host, isCore, rewriteCoreImportsTo, sourcePath, targetPath);
+      protected targetPath: string, transformDts: boolean) {
+    super(host, isCore, rewriteCoreImportsTo, sourcePath, targetPath, transformDts);
   }
 
   /**
diff --git a/packages/compiler-cli/src/ngcc/src/rendering/renderer.ts b/packages/compiler-cli/src/ngcc/src/rendering/renderer.ts
index e20979050f..54f2cacdd1 100644
--- a/packages/compiler-cli/src/ngcc/src/rendering/renderer.ts
+++ b/packages/compiler-cli/src/ngcc/src/rendering/renderer.ts
@@ -57,7 +57,7 @@ export abstract class Renderer {
   constructor(
       protected host: NgccReflectionHost, protected isCore: boolean,
       protected rewriteCoreImportsTo: ts.SourceFile|null, protected sourcePath: string,
-      protected targetPath: string) {}
+      protected targetPath: string, protected transformDts: boolean) {}
 
   renderProgram(
       program: ts.Program, decorationAnalyses: DecorationAnalyses,
@@ -74,9 +74,11 @@ export abstract class Renderer {
       }
     });
 
-    // Transform the .d.ts files
-    const dtsFiles = this.getTypingsFilesToRender(decorationAnalyses);
-    dtsFiles.forEach((classes, file) => renderedFiles.push(...this.renderDtsFile(file, classes)));
+    if (this.transformDts) {
+      // Transform the .d.ts files
+      const dtsFiles = this.getTypingsFilesToRender(decorationAnalyses);
+      dtsFiles.forEach((classes, file) => renderedFiles.push(...this.renderDtsFile(file, classes)));
+    }
 
     return renderedFiles;
   }
diff --git a/packages/compiler-cli/src/ngcc/test/rendering/esm2015_renderer_spec.ts b/packages/compiler-cli/src/ngcc/test/rendering/esm2015_renderer_spec.ts
index f0b07ef6bf..d1ba2c9f68 100644
--- a/packages/compiler-cli/src/ngcc/test/rendering/esm2015_renderer_spec.ts
+++ b/packages/compiler-cli/src/ngcc/test/rendering/esm2015_renderer_spec.ts
@@ -23,7 +23,7 @@ function setup(file: {name: string, contents: string}, transformDts: boolean = f
   const decorationAnalyses =
       new DecorationAnalyzer(program.getTypeChecker(), host, [''], false).analyzeProgram(program);
   const switchMarkerAnalyses = new SwitchMarkerAnalyzer(host).analyzeProgram(program);
-  const renderer = new EsmRenderer(host, false, null, dir, dir);
+  const renderer = new EsmRenderer(host, false, null, dir, dir, false);
   return {host, program, sourceFile, renderer, decorationAnalyses, switchMarkerAnalyses};
 }
 
diff --git a/packages/compiler-cli/src/ngcc/test/rendering/esm5_renderer_spec.ts b/packages/compiler-cli/src/ngcc/test/rendering/esm5_renderer_spec.ts
index 88d54d6280..20d7f8a9ec 100644
--- a/packages/compiler-cli/src/ngcc/test/rendering/esm5_renderer_spec.ts
+++ b/packages/compiler-cli/src/ngcc/test/rendering/esm5_renderer_spec.ts
@@ -20,7 +20,7 @@ function setup(file: {name: string, contents: string}) {
   const decorationAnalyses =
       new DecorationAnalyzer(program.getTypeChecker(), host, [''], false).analyzeProgram(program);
   const switchMarkerAnalyses = new SwitchMarkerAnalyzer(host).analyzeProgram(program);
-  const renderer = new EsmRenderer(host, false, null, '', '');
+  const renderer = new EsmRenderer(host, false, null, '', '', false);
   return {host, program, sourceFile, renderer, decorationAnalyses, switchMarkerAnalyses};
 }
 
diff --git a/packages/compiler-cli/src/ngcc/test/rendering/renderer_spec.ts b/packages/compiler-cli/src/ngcc/test/rendering/renderer_spec.ts
index 467acbc128..3b30a01600 100644
--- a/packages/compiler-cli/src/ngcc/test/rendering/renderer_spec.ts
+++ b/packages/compiler-cli/src/ngcc/test/rendering/renderer_spec.ts
@@ -17,7 +17,7 @@ import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
 import {Renderer} from '../../src/rendering/renderer';
 
 class TestRenderer extends Renderer {
-  constructor(host: Esm2015ReflectionHost) { super(host, false, null, '/src', '/dist'); }
+  constructor(host: Esm2015ReflectionHost) { super(host, false, null, '/src', '/dist', false); }
   addImports(output: MagicString, imports: {name: string, as: string}[]) {
     output.prepend('\n// ADD IMPORTS\n');
   }