diff --git a/xla/stream_executor/gpu/gpu_executor.h b/xla/stream_executor/gpu/gpu_executor.h
index d515e1099488f..f149e242e45fc 100644
--- a/xla/stream_executor/gpu/gpu_executor.h
+++ b/xla/stream_executor/gpu/gpu_executor.h
@@ -38,8 +38,6 @@ limitations under the License.
 
 namespace stream_executor {
 
-class StreamExecutor;
-
 namespace gpu {
 
 class GpuStream;