diff --git a/modules/@angular/core/src/debug/debug_node.ts b/modules/@angular/core/src/debug/debug_node.ts
index 418c8e6b78..506416bf35 100644
--- a/modules/@angular/core/src/debug/debug_node.ts
+++ b/modules/@angular/core/src/debug/debug_node.ts
@@ -48,13 +48,6 @@ export class DebugNode {
   }
 
   get source(): string { return isPresent(this._debugInfo) ? this._debugInfo.source : null; }
-
-  /**
-   * Use injector.get(token) instead.
-   *
-   * @deprecated
-   */
-  inject(token: any): any { return this.injector.get(token); }
 }
 
 /**
diff --git a/modules/@angular/core/test/linker/projection_integration_spec.ts b/modules/@angular/core/test/linker/projection_integration_spec.ts
index 6c9e6c2aae..1698b6f8b1 100644
--- a/modules/@angular/core/test/linker/projection_integration_spec.ts
+++ b/modules/@angular/core/test/linker/projection_integration_spec.ts
@@ -656,7 +656,7 @@ export function main() {
 
                    var contentViewportDir =
                        conditionalComp.queryAllNodes(By.directive(ManualViewportDirective))[1]
-                           .inject(ManualViewportDirective);
+                           .injector.get(ManualViewportDirective);
 
                    contentViewportDir.show();
 
diff --git a/tools/public_api_guard/core/index.d.ts b/tools/public_api_guard/core/index.d.ts
index 8327d118a2..103765b761 100644
--- a/tools/public_api_guard/core/index.d.ts
+++ b/tools/public_api_guard/core/index.d.ts
@@ -467,7 +467,6 @@ export declare class DebugNode {
     };
     source: string;
     constructor(nativeNode: any, parent: DebugNode, _debugInfo: RenderDebugInfo);
-    /** @deprecated */ inject(token: any): any;
 }
 
 /** @stable */