diff --git a/runtime/base/arena_allocator.cc b/runtime/base/arena_allocator.cc
index 1caf0c0..61e0aab 100644
--- a/runtime/base/arena_allocator.cc
+++ b/runtime/base/arena_allocator.cc
@@ -144,11 +144,8 @@
   }
 }
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Winstantiation-after-specialization"
 // Explicitly instantiate the used implementation.
 template class ArenaAllocatorStatsImpl<kArenaAllocatorCountAllocations>;
-#pragma GCC diagnostic pop
 
 void ArenaAllocatorMemoryTool::DoMakeDefined(void* ptr, size_t size) {
   MEMORY_TOOL_MAKE_DEFINED(ptr, size);