diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java
index 83a6f74db61..3b8846e3eb0 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java
@@ -51,7 +51,7 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
             @NotNull DeclarationDescriptor containingDeclaration,
             @NotNull List<AnnotationDescriptor> annotations,
             @NotNull Name name,
-            Kind kind) {
+            @NotNull Kind kind) {
         super(containingDeclaration, annotations, name);
         this.original = this;
         this.kind = kind;
@@ -62,7 +62,7 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
             @NotNull FunctionDescriptor original,
             @NotNull List<AnnotationDescriptor> annotations,
             @NotNull Name name,
-            Kind kind) {
+            @NotNull Kind kind) {
         super(containingDeclaration, annotations, name);
         this.original = original;
         this.kind = kind;
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/SimpleFunctionDescriptorImpl.java b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/SimpleFunctionDescriptorImpl.java
index cbd83b0b807..e04e6618a52 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/SimpleFunctionDescriptorImpl.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/impl/SimpleFunctionDescriptorImpl.java
@@ -34,7 +34,7 @@ public class SimpleFunctionDescriptorImpl extends FunctionDescriptorImpl impleme
             @NotNull DeclarationDescriptor containingDeclaration,
             @NotNull List<AnnotationDescriptor> annotations,
             @NotNull Name name,
-            Kind kind) {
+            @NotNull Kind kind) {
         super(containingDeclaration, annotations, name, kind);
     }
 
@@ -43,7 +43,7 @@ public class SimpleFunctionDescriptorImpl extends FunctionDescriptorImpl impleme
             @NotNull SimpleFunctionDescriptor original,
             @NotNull List<AnnotationDescriptor> annotations,
             @NotNull Name name,
-            Kind kind) {
+            @NotNull Kind kind) {
         super(containingDeclaration, original, annotations, name, kind);
     }