diff --git a/include/grpc/impl/codegen/port_platform.h b/include/grpc/impl/codegen/port_platform.h
index c2b467a1bc6..ff8cd00e08d 100644
--- a/include/grpc/impl/codegen/port_platform.h
+++ b/include/grpc/impl/codegen/port_platform.h
@@ -176,9 +176,6 @@
 #define GPR_LINUX_LOG
 #define GPR_SUPPORT_CHANNELS_FROM_FD 1
 #define GPR_LINUX_ENV 1
-#ifndef GRPC_LINUX_EVENTFD
-#define GRPC_POSIX_NO_SPECIAL_WAKEUP_FD 1
-#endif
 #define GPR_POSIX_TMPFILE 1
 #define GPR_POSIX_STRING 1
 #define GPR_POSIX_SUBPROCESS 1