diff --git a/packages/compiler-cli/src/ngtsc/indexer/test/context_spec.ts b/packages/compiler-cli/src/ngtsc/indexer/test/context_spec.ts
index b95fb7502c..8ce7582a4e 100644
--- a/packages/compiler-cli/src/ngtsc/indexer/test/context_spec.ts
+++ b/packages/compiler-cli/src/ngtsc/indexer/test/context_spec.ts
@@ -23,7 +23,7 @@ runInEachFileSystem(() => {
         boundTemplate,
         templateMeta: {
           isInline: false,
-          file: new ParseSourceFile('<div></div>', util.getTestFilePath()),
+          file: new ParseSourceFile('<div></div>', declaration.getSourceFile().fileName),
         },
       });
 
@@ -34,7 +34,7 @@ runInEachFileSystem(() => {
           boundTemplate,
           templateMeta: {
             isInline: false,
-            file: new ParseSourceFile('<div></div>', util.getTestFilePath()),
+            file: new ParseSourceFile('<div></div>', declaration.getSourceFile().fileName),
           },
         },
       ]));
diff --git a/packages/compiler-cli/src/ngtsc/indexer/test/transform_spec.ts b/packages/compiler-cli/src/ngtsc/indexer/test/transform_spec.ts
index 8dac5ec4b5..c788ed8eb7 100644
--- a/packages/compiler-cli/src/ngtsc/indexer/test/transform_spec.ts
+++ b/packages/compiler-cli/src/ngtsc/indexer/test/transform_spec.ts
@@ -25,7 +25,7 @@ function populateContext(
     boundTemplate,
     templateMeta: {
       isInline,
-      file: new ParseSourceFile(template, util.getTestFilePath()),
+      file: new ParseSourceFile(template, component.getSourceFile().fileName),
     },
   });
 }
@@ -45,12 +45,12 @@ runInEachFileSystem(() => {
       expect(info).toEqual({
         name: 'C',
         selector: 'c-selector',
-        file: new ParseSourceFile('class C {}', util.getTestFilePath()),
+        file: new ParseSourceFile('class C {}', decl.getSourceFile().fileName),
         template: {
           identifiers: getTemplateIdentifiers(util.getBoundTemplate('<div>{{foo}}</div>')),
           usedComponents: new Set(),
           isInline: false,
-          file: new ParseSourceFile('<div>{{foo}}</div>', util.getTestFilePath()),
+          file: new ParseSourceFile('<div>{{foo}}</div>', decl.getSourceFile().fileName),
         }
       });
     });
@@ -69,7 +69,7 @@ runInEachFileSystem(() => {
       const info = analysis.get(decl);
       expect(info).toBeDefined();
       expect(info!.template.file)
-          .toEqual(new ParseSourceFile('class C {}', util.getTestFilePath()));
+          .toEqual(new ParseSourceFile('class C {}', decl.getSourceFile().fileName));
     });
 
     it('should give external templates their own source file', () => {
@@ -84,7 +84,7 @@ runInEachFileSystem(() => {
       const info = analysis.get(decl);
       expect(info).toBeDefined();
       expect(info!.template.file)
-          .toEqual(new ParseSourceFile('<div>{{foo}}</div>', util.getTestFilePath()));
+          .toEqual(new ParseSourceFile('<div>{{foo}}</div>', decl.getSourceFile().fileName));
     });
 
     it('should emit used components', () => {
diff --git a/packages/compiler-cli/src/ngtsc/indexer/test/util.ts b/packages/compiler-cli/src/ngtsc/indexer/test/util.ts
index 67b200f39f..e6298e7843 100644
--- a/packages/compiler-cli/src/ngtsc/indexer/test/util.ts
+++ b/packages/compiler-cli/src/ngtsc/indexer/test/util.ts
@@ -16,7 +16,7 @@ import {getDeclaration, makeProgram} from '../../testing';
 import {ComponentMeta} from '../src/context';
 
 /** Dummy file URL */
-export function getTestFilePath(): AbsoluteFsPath {
+function getTestFilePath(): AbsoluteFsPath {
   return absoluteFrom('/TEST_FILE.ts');
 }