diff --git a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
index e762a25..3ed5237 100644
--- a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
+++ b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
@@ -35,7 +35,6 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <unistd.h>
 
 #include <grpc/grpc_security.h>
 #include <grpc/byte_buffer.h>