diff --git a/vm/callstack.hpp b/vm/callstack.hpp
index acbd29a6f0..dd80608d48 100755
--- a/vm/callstack.hpp
+++ b/vm/callstack.hpp
@@ -127,16 +127,4 @@ void factor_vm::iterate_callstack_reversed(context *ctx, Iterator &iterator)
 	}
 }
 
-template<typename Iterator>
-void factor_vm::iterate_callstack(context *ctx, Iterator &iterator)
-{
-	stack_frame *frame = ctx->callstack_bottom - 1;
-
-	while(frame >= ctx->callstack_top)
-	{
-		iterator(frame);
-		frame = frame_successor(frame);
-	}
-}
-
 }
diff --git a/vm/vm.hpp b/vm/vm.hpp
index 6770fa20b8..2cf4538404 100755
--- a/vm/vm.hpp
+++ b/vm/vm.hpp
@@ -178,17 +178,6 @@ struct factor_vm
 	void primitive_check_datastack();
 	void primitive_load_locals();
 
-	template<typename Iterator>
-	void iterate_active_callstacks(Iterator &iter)
-	{
-		std::set<context *>::const_iterator begin = active_contexts.begin();
-		std::set<context *>::const_iterator end = active_contexts.end();
-		while(begin != end)
-		{
-			iterate_callstack(*begin++,iter);
-		}
-	}
-
 	template<typename Iterator, typename Fixup>
 	void iterate_active_callstacks_reversed(Iterator &iter, Fixup &fixup)
 	{
@@ -667,9 +656,6 @@ struct factor_vm
 	template<typename Iterator, typename Fixup>
 	void iterate_callstack_reversed(context *ctx, Iterator &iterator, Fixup &fixup);
 
-	template<typename Iterator>
-	void iterate_callstack(context *ctx, Iterator &iterator);
-
 	// cpu-*
 	void dispatch_signal_handler(cell *sp, cell *pc, cell newpc);