diff --git a/include/osg/StateSet b/include/osg/StateSet
index 84eba7c28..1ce25bf01 100644
--- a/include/osg/StateSet
+++ b/include/osg/StateSet
@@ -259,8 +259,10 @@ class OSG_EXPORT StateSet : public Object
 
 
         void setAssociatedModes(const StateAttribute* attribute, StateAttribute::GLModeValue value);
+        void removeAssociatedModes(const StateAttribute* attribute);
 
         void setAssociatedTextureModes(unsigned int unit,const StateAttribute* attribute, StateAttribute::GLModeValue value);
+        void removeAssociatedTextureModes(unsigned int unit,const StateAttribute* attribute);
 
 
 
diff --git a/src/osg/StateSet.cpp b/src/osg/StateSet.cpp
index 97f437c31..38e8ea4b1 100644
--- a/src/osg/StateSet.cpp
+++ b/src/osg/StateSet.cpp
@@ -1471,18 +1471,55 @@ class SetAssociateModesHelper : public StateAttribute::ModeUsage
         unsigned int                _unit;
 };
 
+class RemoveAssociateModesHelper : public StateAttribute::ModeUsage
+{
+    public:
+        RemoveAssociateModesHelper(StateSet* stateset, unsigned int unit=0):
+            _stateset(stateset),
+            _unit(unit) {}
+            
+        virtual ~RemoveAssociateModesHelper() {}
+        
+        virtual void usesMode(StateAttribute::GLMode mode)
+        {
+            _stateset->removeMode(mode);
+        }
+        
+        virtual void usesTextureMode(StateAttribute::GLMode mode)
+        {
+           _stateset->removeTextureMode(_unit, mode);
+        }
+        
+       
+        
+        StateSet*                   _stateset;
+        unsigned int                _unit;
+};
+
 void StateSet::setAssociatedModes(const StateAttribute* attribute, StateAttribute::GLModeValue value)
 {
     SetAssociateModesHelper helper(this,value);
     attribute->getModeUsage(helper);
 }
 
+void StateSet::removeAssociatedModes(const StateAttribute* attribute)
+{
+    RemoveAssociateModesHelper helper(this);
+    attribute->getModeUsage(helper);
+}
+
 void StateSet::setAssociatedTextureModes(unsigned int unit,const StateAttribute* attribute, StateAttribute::GLModeValue value)
 {
     SetAssociateModesHelper helper(this,value,unit);
     attribute->getModeUsage(helper);
 }
 
+void StateSet::removeAssociatedTextureModes(unsigned int unit,const StateAttribute* attribute)
+{
+    RemoveAssociateModesHelper helper(this,unit);
+    attribute->getModeUsage(helper);
+}
+
 void StateSet::setAttribute(AttributeList& attributeList,StateAttribute *attribute, const StateAttribute::OverrideValue value)
 {
     if (attribute)