diff --git a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/SerializationUtils.java b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/SerializationUtils.java
index becaec520526..5029f1a22297 100644
--- a/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/SerializationUtils.java
+++ b/plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/psiutils/SerializationUtils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2018 Dave Griffith, Bas Leijdekkers
+ * Copyright 2003-2019 Dave Griffith, Bas Leijdekkers
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -124,7 +124,7 @@ public class SerializationUtils {
     if (type instanceof PsiClassType) {
       final PsiClassType classType = (PsiClassType)type;
       final PsiClass psiClass = classType.resolve();
-      if (psiClass == null || psiClass.isInterface() || psiClass.hasModifierProperty(PsiModifier.ABSTRACT)) {
+      if (psiClass == null || psiClass.hasModifierProperty(PsiModifier.ABSTRACT)) {
         // to avoid false positives
         return true;
       }