diff --git a/packages/compiler-cli/src/ngtsc/annotations/src/component.ts b/packages/compiler-cli/src/ngtsc/annotations/src/component.ts
index d9b673bcc5..c68e9ce977 100644
--- a/packages/compiler-cli/src/ngtsc/annotations/src/component.ts
+++ b/packages/compiler-cli/src/ngtsc/annotations/src/component.ts
@@ -10,7 +10,7 @@ import {compileClassMetadata, compileComponentFromMetadata, compileDeclareClassM
 import * as ts from 'typescript';
 
 import {Cycle, CycleAnalyzer, CycleHandlingStrategy} from '../../cycles';
-import {ErrorCode, FatalDiagnosticError, makeDiagnostic, makeRelatedInformation} from '../../diagnostics';
+import {ErrorCode, FatalDiagnosticError, makeRelatedInformation} from '../../diagnostics';
 import {absoluteFrom, relative} from '../../file_system';
 import {ImportedFile, ModuleResolver, Reference, ReferenceEmitter} from '../../imports';
 import {DependencyTracker} from '../../incremental/api';