diff --git a/modules/@angular/common/src/pipes/i18n_plural_pipe.ts b/modules/@angular/common/src/pipes/i18n_plural_pipe.ts
index aa755e9c2f..8e04e6af4b 100644
--- a/modules/@angular/common/src/pipes/i18n_plural_pipe.ts
+++ b/modules/@angular/common/src/pipes/i18n_plural_pipe.ts
@@ -1,4 +1,4 @@
-import {Injectable, PipeTransform, Pipe} from '@angular/core';
+import {PipeTransform, Pipe} from '@angular/core';
 import {isStringMap, StringWrapper, isPresent, RegExpWrapper} from '../../src/facade/lang';
 import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';
 
diff --git a/modules/@angular/common/src/pipes/i18n_select_pipe.ts b/modules/@angular/common/src/pipes/i18n_select_pipe.ts
index 6208ca7edd..87859222bc 100644
--- a/modules/@angular/common/src/pipes/i18n_select_pipe.ts
+++ b/modules/@angular/common/src/pipes/i18n_select_pipe.ts
@@ -1,4 +1,4 @@
-import {Injectable, PipeTransform, Pipe} from '@angular/core';
+import {PipeTransform, Pipe} from '@angular/core';
 import {isStringMap} from '../../src/facade/lang';
 import {StringMapWrapper} from '../../src/facade/collection';
 import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';
diff --git a/modules/@angular/common/src/pipes/json_pipe.ts b/modules/@angular/common/src/pipes/json_pipe.ts
index 99fa5df8cd..c219a008d4 100644
--- a/modules/@angular/common/src/pipes/json_pipe.ts
+++ b/modules/@angular/common/src/pipes/json_pipe.ts
@@ -1,4 +1,4 @@
-import {Injectable, PipeTransform, WrappedValue, Pipe} from '@angular/core';
+import {PipeTransform, Pipe} from '@angular/core';
 import {Json} from '../../src/facade/lang';
 
 
diff --git a/modules/@angular/common/src/pipes/lowercase_pipe.ts b/modules/@angular/common/src/pipes/lowercase_pipe.ts
index 13bc53b647..01b230d05c 100644
--- a/modules/@angular/common/src/pipes/lowercase_pipe.ts
+++ b/modules/@angular/common/src/pipes/lowercase_pipe.ts
@@ -1,4 +1,4 @@
-import {Injectable, PipeTransform, WrappedValue, Pipe} from '@angular/core';
+import {PipeTransform, Pipe} from '@angular/core';
 import {isString, isBlank} from '../../src/facade/lang';
 import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';
 
diff --git a/modules/@angular/common/src/pipes/slice_pipe.ts b/modules/@angular/common/src/pipes/slice_pipe.ts
index b4027ec9e5..fbd258cf61 100644
--- a/modules/@angular/common/src/pipes/slice_pipe.ts
+++ b/modules/@angular/common/src/pipes/slice_pipe.ts
@@ -1,7 +1,6 @@
-import {Injectable, PipeTransform, WrappedValue, Pipe} from '@angular/core';
+import {PipeTransform, Pipe} from '@angular/core';
 
 import {isBlank, isString, isArray, StringWrapper} from '../../src/facade/lang';
-import {BaseException} from '../../src/facade/exceptions';
 import {ListWrapper} from '../../src/facade/collection';
 
 import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';
diff --git a/modules/@angular/common/src/pipes/uppercase_pipe.ts b/modules/@angular/common/src/pipes/uppercase_pipe.ts
index a534e2c3ba..7679354d98 100644
--- a/modules/@angular/common/src/pipes/uppercase_pipe.ts
+++ b/modules/@angular/common/src/pipes/uppercase_pipe.ts
@@ -1,4 +1,4 @@
-import {PipeTransform, WrappedValue, Injectable, Pipe} from '@angular/core';
+import {PipeTransform, Pipe} from '@angular/core';
 import {isString, isBlank} from '../../src/facade/lang';
 import {InvalidPipeArgumentException} from './invalid_pipe_argument_exception';