diff --git a/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts b/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts
index 9a1f394977a..7e4deafa262 100644
--- a/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts
+++ b/extensions/html-language-features/server/src/modes/javascriptSemanticTokens.ts
@@ -55,42 +55,37 @@ export function getSemanticTokens(jsLanguageService: ts.LanguageService, current
 	return resultTokens;
 }
 
-enum TokenType {
-	'class',
-	'enum',
-	'interface',
-	'namespace',
-	'typeParameter',
-	'type',
-	'parameter',
-	'variable',
-	'property',
-	'constant',
-	'function',
-	'member',
-	_sentinel
-}
-
-
-enum TokenModifier {
-	'declaration',
-	'static',
-	'async',
-	_sentinel
-}
 
 export function getSemanticTokenLegend() {
-	const tokenTypes = [];
-	for (let i = 0; i < TokenType._sentinel; i++) {
-		tokenTypes.push(TokenType[i]);
-	}
-	const tokenModifiers = [];
-	for (let i = 0; i < TokenModifier._sentinel; i++) {
-		tokenModifiers.push(TokenModifier[i]);
-	}
 	return { types: tokenTypes, modifiers: tokenModifiers };
 }
 
+
+const tokenTypes: string[] = ['class', 'enum', 'interface', 'namespace', 'typeParameter', 'type', 'parameter', 'variable', 'property', 'constant', 'function', 'member'];
+const tokenModifiers: string[] = ['declaration', 'static', 'async'];
+
+const enum TokenType {
+	'class' = 0,
+	'enum' = 1,
+	'interface' = 2,
+	'namespace' = 3,
+	'typeParameter' = 4,
+	'type' = 5,
+	'parameter' = 6,
+	'variable' = 7,
+	'property' = 8,
+	'constant' = 9,
+	'function' = 10,
+	'member' = 11
+}
+
+
+const enum TokenModifier {
+	'declaration' = 0x01,
+	'static' = 0x02,
+	'async' = 0x04,
+}
+
 const tokenFromDeclarationMapping: { [name: string]: TokenType } = {
 	[ts.SyntaxKind.VariableDeclaration]: TokenType.variable,
 	[ts.SyntaxKind.Parameter]: TokenType.parameter,