diff --git a/cmake/cpu_extension.cmake b/cmake/cpu_extension.cmake
index 8470e9ea9ebd..3c474bd58d04 100644
--- a/cmake/cpu_extension.cmake
+++ b/cmake/cpu_extension.cmake
@@ -120,4 +120,3 @@ define_gpu_extension_target(
 )
 
 message(STATUS "Enabling C extension.")
-add_dependencies(default _C)