1 files changed, 2 insertions, 1 deletions
diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/codeInspection/confusing/GroovyDoubleNegationInspection.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/codeInspection/confusing/GroovyDoubleNegationInspection.java
index 7b22f17b289c..b293326196df 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/codeInspection/confusing/GroovyDoubleNegationInspection.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/codeInspection/confusing/GroovyDoubleNegationInspection.java
@@ -56,7 +56,7 @@ public class GroovyDoubleNegationInspection extends BaseInspection {
 
   @Override
   @Nullable
-  protected GroovyFix buildFix(PsiElement location) {
+  protected GroovyFix buildFix(@NotNull PsiElement location) {
     return new DoubleNegationFix();
   }
 
@@ -105,6 +105,7 @@ public class GroovyDoubleNegationInspection extends BaseInspection {
     }
   }
 
+  @NotNull
   @Override
   public BaseInspectionVisitor buildVisitor() {
     return new DoubleNegationVisitor();