diff --git a/src/vs/languages/css/common/css.ts b/src/vs/languages/css/common/css.ts
index 1557155ca3f5659fd03d60a02b32a81ece39de81..38d0339644c946e3972a5ae25c710b33682daf19 100644
--- a/src/vs/languages/css/common/css.ts
+++ b/src/vs/languages/css/common/css.ts
@@ -327,11 +327,11 @@ export class CSSMode extends AbstractMode {
 		this.inplaceReplaceSupport = this;
 		this.configSupport = this;
 
-		modes.DocumentHighlightProviderRegistry.register(this.getId(), {
-			provideDocumentHighlights: (model, position, token): Thenable<modes.DocumentHighlight[]> => {
-				return wireCancellationToken(token, this._provideDocumentHighlights(model.getAssociatedResource(), position));
-			}
-		});
+		// modes.DocumentHighlightProviderRegistry.register(this.getId(), {
+		// 	provideDocumentHighlights: (model, position, token): Thenable<modes.DocumentHighlight[]> => {
+		// 		return wireCancellationToken(token, this._provideDocumentHighlights(model.getAssociatedResource(), position));
+		// 	}
+		// });
 
 		modes.HoverProviderRegistry.register(this.getId(), {
 			provideHover: (model, position, token): Thenable<modes.Hover> => {
@@ -339,11 +339,11 @@ export class CSSMode extends AbstractMode {
 			}
 		});
 
-		modes.ReferenceProviderRegistry.register(this.getId(), {
-			provideReferences: (model, position, context, token): Thenable<modes.Location[]> => {
-				return wireCancellationToken(token, this._provideReferences(model.getAssociatedResource(), position));
-			}
-		});
+		// modes.ReferenceProviderRegistry.register(this.getId(), {
+		// 	provideReferences: (model, position, context, token): Thenable<modes.Location[]> => {
+		// 		return wireCancellationToken(token, this._provideReferences(model.getAssociatedResource(), position));
+		// 	}
+		// });
 
 		modes.DocumentSymbolProviderRegistry.register(this.getId(), {
 			provideDocumentSymbols: (model, token): Thenable<modes.SymbolInformation[]> => {
@@ -351,11 +351,11 @@ export class CSSMode extends AbstractMode {
 			}
 		});
 
-		modes.DefinitionProviderRegistry.register(this.getId(), {
-			provideDefinition: (model, position, token): Thenable<modes.Definition> => {
-				return wireCancellationToken(token, this._provideDefinition(model.getAssociatedResource(), position));
-			}
-		});
+		// modes.DefinitionProviderRegistry.register(this.getId(), {
+		// 	provideDefinition: (model, position, token): Thenable<modes.Definition> => {
+		// 		return wireCancellationToken(token, this._provideDefinition(model.getAssociatedResource(), position));
+		// 	}
+		// });
 
 		modes.SuggestRegistry.register(this.getId(), {
 			triggerCharacters: [' ', ':'],