diff --git a/extensions/typescript-language-features/src/features/baseCodeLensProvider.ts b/extensions/typescript-language-features/src/features/baseCodeLensProvider.ts
index b870869f430..23abd578887 100644
--- a/extensions/typescript-language-features/src/features/baseCodeLensProvider.ts
+++ b/extensions/typescript-language-features/src/features/baseCodeLensProvider.ts
@@ -105,27 +105,31 @@ export abstract class TypeScriptBaseCodeLensProvider implements vscode.CodeLensP
 
 		(item.childItems || []).forEach(child => this.walkNavTree(document, child, item, results));
 	}
-	protected getSymbolRange(document: vscode.TextDocument, item: Proto.NavigationTree): vscode.Range | null {
-		// TS 3.0+ provides a span for just the symbol
-		if (item.nameSpan) {
-			return typeConverters.Range.fromTextSpan(item.nameSpan);
-		}
-
-		// In older versions, we have to calculate this manually. See #23924
-		const span = item.spans && item.spans[0];
-		if (!span) {
-			return null;
-		}
-
-		const range = typeConverters.Range.fromTextSpan(span);
-		const text = document.getText(range);
-
-		const identifierMatch = new RegExp(`^(.*?(\\b|\\W))${escapeRegExp(item.text || '')}(\\b|\\W)`, 'gm');
-		const match = identifierMatch.exec(text);
-		const prefixLength = match ? match.index + match[1].length : 0;
-		const startOffset = document.offsetAt(new vscode.Position(range.start.line, range.start.character)) + prefixLength;
-		return new vscode.Range(
-			document.positionAt(startOffset),
-			document.positionAt(startOffset + item.text.length));
-	}
+}
+
+export function getSymbolRange(
+	document: vscode.TextDocument,
+	item: Proto.NavigationTree
+): vscode.Range | null {
+	// TS 3.0+ provides a span for just the symbol
+	if (item.nameSpan) {
+		return typeConverters.Range.fromTextSpan(item.nameSpan);
+	}
+
+	// In older versions, we have to calculate this manually. See #23924
+	const span = item.spans && item.spans[0];
+	if (!span) {
+		return null;
+	}
+
+	const range = typeConverters.Range.fromTextSpan(span);
+	const text = document.getText(range);
+
+	const identifierMatch = new RegExp(`^(.*?(\\b|\\W))${escapeRegExp(item.text || '')}(\\b|\\W)`, 'gm');
+	const match = identifierMatch.exec(text);
+	const prefixLength = match ? match.index + match[1].length : 0;
+	const startOffset = document.offsetAt(new vscode.Position(range.start.line, range.start.character)) + prefixLength;
+	return new vscode.Range(
+		document.positionAt(startOffset),
+		document.positionAt(startOffset + item.text.length));
 }
diff --git a/extensions/typescript-language-features/src/features/implementationsCodeLens.ts b/extensions/typescript-language-features/src/features/implementationsCodeLens.ts
index 32559e09e21..3f1aab8ad1f 100644
--- a/extensions/typescript-language-features/src/features/implementationsCodeLens.ts
+++ b/extensions/typescript-language-features/src/features/implementationsCodeLens.ts
@@ -10,7 +10,7 @@ import * as PConst from '../protocol.const';
 import { ITypeScriptServiceClient } from '../typescriptService';
 import API from '../utils/api';
 import { ConfigurationDependentRegistration, VersionDependentRegistration } from '../utils/dependentRegistration';
-import { CachedNavTreeResponse, ReferencesCodeLens, TypeScriptBaseCodeLensProvider } from './baseCodeLensProvider';
+import { CachedResponse, ReferencesCodeLens, TypeScriptBaseCodeLensProvider, getSymbolRange } from './baseCodeLensProvider';
 const localize = nls.loadMessageBundle();
 
 export default class TypeScriptImplementationsCodeLensProvider extends TypeScriptBaseCodeLensProvider {
@@ -58,7 +58,7 @@ export default class TypeScriptImplementationsCodeLensProvider extends TypeScrip
 	): vscode.Range | null {
 		switch (item.kind) {
 			case PConst.Kind.interface:
-				return super.getSymbolRange(document, item);
+				return getSymbolRange(document, item);
 
 			case PConst.Kind.class:
 			case PConst.Kind.memberFunction:
@@ -66,7 +66,7 @@ export default class TypeScriptImplementationsCodeLensProvider extends TypeScrip
 			case PConst.Kind.memberGetAccessor:
 			case PConst.Kind.memberSetAccessor:
 				if (item.kindModifiers.match(/\babstract\b/g)) {
-					return super.getSymbolRange(document, item);
+					return getSymbolRange(document, item);
 				}
 				break;
 		}
diff --git a/extensions/typescript-language-features/src/features/referencesCodeLens.ts b/extensions/typescript-language-features/src/features/referencesCodeLens.ts
index ea227ac99c1..febbf569086 100644
--- a/extensions/typescript-language-features/src/features/referencesCodeLens.ts
+++ b/extensions/typescript-language-features/src/features/referencesCodeLens.ts
@@ -10,7 +10,7 @@ import * as PConst from '../protocol.const';
 import { ITypeScriptServiceClient } from '../typescriptService';
 import API from '../utils/api';
 import { ConfigurationDependentRegistration, VersionDependentRegistration } from '../utils/dependentRegistration';
-import { CachedNavTreeResponse, ReferencesCodeLens, TypeScriptBaseCodeLensProvider } from './baseCodeLensProvider';
+import { CachedResponse, ReferencesCodeLens, TypeScriptBaseCodeLensProvider, getSymbolRange } from './baseCodeLensProvider';
 
 const localize = nls.loadMessageBundle();
 
@@ -51,7 +51,7 @@ class TypeScriptReferencesCodeLensProvider extends TypeScriptBaseCodeLensProvide
 		parent: Proto.NavigationTree | null
 	): vscode.Range | null {
 		if (parent && parent.kind === PConst.Kind.enum) {
-			return super.getSymbolRange(document, item);
+			return getSymbolRange(document, item);
 		}
 
 		switch (item.kind) {
@@ -79,7 +79,7 @@ class TypeScriptReferencesCodeLensProvider extends TypeScriptBaseCodeLensProvide
 			case PConst.Kind.interface:
 			case PConst.Kind.type:
 			case PConst.Kind.enum:
-				return super.getSymbolRange(document, item);
+				return getSymbolRange(document, item);
 		}
 
 		return null;