diff --git a/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringStateChanges.kt b/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringStateChanges.kt
index ec7609dbce62..cf84803512ac 100644
--- a/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringStateChanges.kt
+++ b/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringStateChanges.kt
@@ -1,6 +1,7 @@
 // Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.java.refactoring.suggested
 
+import com.intellij.openapi.project.DumbService
 import com.intellij.openapi.util.TextRange
 import com.intellij.psi.*
 import com.intellij.refactoring.suggested.SuggestedRefactoringState
@@ -12,6 +13,8 @@ import com.intellij.refactoring.suggested.SuggestedRefactoringSupport.Signature
 class JavaSuggestedRefactoringStateChanges(refactoringSupport: SuggestedRefactoringSupport) :
   SuggestedRefactoringStateChanges(refactoringSupport) {
   override fun createInitialState(anchor: PsiElement): SuggestedRefactoringState? {
+    //todo make SuggestedRefactoringSupport dumbAware
+    if (DumbService.isDumb(anchor.project)) return null
     val state = super.createInitialState(anchor) ?: return null
     if (anchor is PsiMember && isDuplicate(anchor, state.oldSignature)) return null
     return state
diff --git a/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringSupport.kt b/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringSupport.kt
index 90068b2efa5d..50a05a34a613 100644
--- a/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringSupport.kt
+++ b/java/java-impl-refactorings/src/com/intellij/java/refactoring/suggested/JavaSuggestedRefactoringSupport.kt
@@ -2,6 +2,7 @@
 package com.intellij.java.refactoring.suggested
 
 import com.intellij.codeInsight.generation.OverrideImplementsAnnotationsHandler
+import com.intellij.openapi.project.DumbService
 import com.intellij.openapi.util.TextRange
 import com.intellij.openapi.util.registry.Registry
 import com.intellij.psi.*
@@ -15,6 +16,9 @@ import com.siyeh.ig.psiutils.TypeUtils
 
 class JavaSuggestedRefactoringSupport : SuggestedRefactoringSupport {
   override fun isAnchor(psiElement: PsiElement): Boolean {
+    //todo make SuggestedRefactoringSupport dumbAware
+    if (DumbService.isDumb(psiElement.project)) return false
+
     if (psiElement is PsiCallExpression && Registry.`is`("ide.java.refactoring.suggested.call.site")) {
       return psiElement.argumentList != null
     }
diff --git a/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/DumbIncompleteModeUtil.java b/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/DumbIncompleteModeUtil.java
index 5d669aec6af4..1168fbf10185 100644
--- a/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/DumbIncompleteModeUtil.java
+++ b/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/DumbIncompleteModeUtil.java
@@ -29,8 +29,12 @@ public final class DumbIncompleteModeUtil {
 
   public static boolean isDumbOrIncompleteMode(@NotNull PsiElement context) {
     Project project = context.getProject();
+    return isDumbOrIncompleteMode(project);
+  }
+
+  public static boolean isDumbOrIncompleteMode(@NotNull Project project) {
     return (DumbService.isDumb(project) && Registry.is("lombok.dumb.mode.enabled", false)) ||
-           isIncompleteMode(context.getProject());
+           isIncompleteMode(project);
   }
 
   /**
diff --git a/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/LombokLibraryUtil.java b/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/LombokLibraryUtil.java
index 6cfd12b35190..a23e7e713ea2 100644
--- a/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/LombokLibraryUtil.java
+++ b/plugins/lombok/src/main/java/de/plushnikov/intellij/plugin/util/LombokLibraryUtil.java
@@ -5,6 +5,7 @@ import com.intellij.openapi.application.ReadAction;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.progress.ProcessCanceledException;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.roots.OrderEntry;
 import com.intellij.openapi.roots.OrderEnumerator;
@@ -38,7 +39,7 @@ public final class LombokLibraryUtil {
 
     ThreadingAssertions.assertReadAccess();
     return JavaLibraryUtil.hasLibraryJar(project, "org.projectlombok:lombok")
-           || detectLombokJarsSlow(project);
+           || (!DumbService.isDumb(project) && detectLombokJarsSlow(project));
   }
 
   public static boolean hasLombokClasses(@Nullable Module module) {