diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/ValueParameterDescriptor.java b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/ValueParameterDescriptor.java
index 841b2b30265..5a3c4a17c52 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/ValueParameterDescriptor.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/ValueParameterDescriptor.java
@@ -39,6 +39,7 @@ public interface ValueParameterDescriptor extends VariableDescriptor, Annotated
     @NotNull
     JetType getType();
 
+    @NotNull
     @Override
     ValueParameterDescriptor getOriginal();
 
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/VariableDescriptorImpl.java b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/VariableDescriptorImpl.java
index 6b81ff40dd3..e182bb56790 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/VariableDescriptorImpl.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/descriptors/VariableDescriptorImpl.java
@@ -51,6 +51,7 @@ public abstract class VariableDescriptorImpl extends DeclarationDescriptorImpl i
         super(containingDeclaration, annotations, name);
     }
 
+    @NotNull
     @Override
     public JetType getType() {
         return outType;