diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/BindingContext.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/BindingContext.java
index 065d8a79300..df52ff2bb47 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/BindingContext.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/BindingContext.java
@@ -131,7 +131,6 @@ public interface BindingContext {
 
     WritableSlice<JetExpression, Boolean> VARIABLE_REASSIGNMENT = Slices.createSimpleSetSlice();
     WritableSlice<ValueParameterDescriptor, Boolean> AUTO_CREATED_IT = Slices.createSimpleSetSlice();
-    WritableSlice<JetExpression, DeclarationDescriptor> VARIABLE_ASSIGNMENT = Slices.createSimpleSlice();
 
     /**
      * Has type of current expression has been already resolved
@@ -143,9 +142,6 @@ public interface BindingContext {
 
     WritableSlice<CallableMemberDescriptor, Boolean> NEED_SYNTHETIC_ACCESSOR = new BasicWritableSlice<CallableMemberDescriptor, Boolean>(DO_NOTHING);
 
-    //    enum DeferredTypeKey {DEFERRED_TYPE_KEY}
-    //    WritableSlice<DeferredTypeKey, Collection<DeferredType>> DEFERRED_TYPES = Slices.createSimpleSlice();
-
     WritableSlice<Box<DeferredType>, Boolean> DEFERRED_TYPE = Slices.createCollectiveSetSlice();
 
     WritableSlice<PropertyDescriptor, Boolean> BACKING_FIELD_REQUIRED = new Slices.SetSlice<PropertyDescriptor>(DO_NOTHING) {