diff --git a/src/contrib/cublas/cublas_utils.h b/src/contrib/cublas/cublas_utils.h
index f45c45812bd3..8a91373d7e4f 100644
--- a/src/contrib/cublas/cublas_utils.h
+++ b/src/contrib/cublas/cublas_utils.h
@@ -27,9 +27,7 @@
 
 #include <dmlc/logging.h>
 
-extern "C" {
 #include <cublas_v2.h>
-}
 
 namespace tvm {
 namespace contrib {