diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h
index 78a67653c8be091aa26c263befdcf32b9ce37ad9..3c3b40f66fa90957875d3fea970fb213f0d35aed 100644
--- a/indra/llcommon/llinstancetracker.h
+++ b/indra/llcommon/llinstancetracker.h
@@ -69,12 +69,6 @@ class LLInstanceTracker : public LLInstanceTrackerBase
 			--sIterationNestDepth;
 		}
 
-		instance_iter& operator =(const instance_iter& other)
-		{
-			mIterator = other.mIterator;
-			++sIterationNestDepth;
-			super_t::operator=(other);
-		}
 
 	private:
 		friend class boost::iterator_core_access;
@@ -110,13 +104,6 @@ class LLInstanceTracker : public LLInstanceTrackerBase
 			++sIterationNestDepth;
 		}
 
-		key_iter& operator =(const key_iter& other)
-		{
-			mIterator = other.mIterator;
-			++sIterationNestDepth;
-			super_t::operator=(other);
-		}
-
 		~key_iter()
 		{
 			--sIterationNestDepth;