diff --git a/base/src/com/google/idea/blaze/base/lang/AdditionalLanguagesHelper.java b/base/src/com/google/idea/blaze/base/lang/AdditionalLanguagesHelper.java
index 0721dddf423..2efdcd6a96b 100644
--- a/base/src/com/google/idea/blaze/base/lang/AdditionalLanguagesHelper.java
+++ b/base/src/com/google/idea/blaze/base/lang/AdditionalLanguagesHelper.java
@@ -93,6 +93,10 @@ public Key<EditorNotificationPanel> getKey() {
   @Nullable
   @Override
   public EditorNotificationPanel createNotificationPanel(VirtualFile file, FileEditor fileEditor) {
+    if (Blaze.getProjectType(project).equals(ProjectType.UNKNOWN)) {
+      return null;
+    }
+
     String ext = file.getExtension();
     if (ext == null) {
       return null;
diff --git a/skylark/src/com/google/idea/blaze/skylark/debugger/SkylarkDebuggingUtils.java b/skylark/src/com/google/idea/blaze/skylark/debugger/SkylarkDebuggingUtils.java
index 3ccbd9fd36a..8657c9e2472 100644
--- a/skylark/src/com/google/idea/blaze/skylark/debugger/SkylarkDebuggingUtils.java
+++ b/skylark/src/com/google/idea/blaze/skylark/debugger/SkylarkDebuggingUtils.java
@@ -35,6 +35,10 @@ private SkylarkDebuggingUtils() {}
       new BoolExperiment("skylark.debugging.enabled", true);
 
   public static boolean debuggingEnabled(Project project) {
+    if (Blaze.getProjectType(project).equals(ProjectType.UNKNOWN)) {
+      return false;
+    }
+
     if (Blaze.getProjectType(project).equals(ProjectType.QUERY_SYNC)) {
       // Skylark debugging only needs a blaze version past EARLIEST_SUPPORTED_BLAZE_CL, which
       // greatly predates query sync