diff --git a/test/cpp/qps/limit_cores.cc b/test/cpp/qps/limit_cores.cc
index 7dac54a68859d601289b22f9fd3e4b26c29d3077..fad9a323afd191691c58f8b0786b05720857d89c 100644
--- a/test/cpp/qps/limit_cores.cc
+++ b/test/cpp/qps/limit_cores.cc
@@ -36,7 +36,6 @@
 #include <grpc/support/cpu.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
-#include <vector>
 
 namespace grpc {
 namespace testing {
diff --git a/test/cpp/qps/limit_cores.h b/test/cpp/qps/limit_cores.h
index 5c0d1e315dc7c4cea150dd5f9fb3a7a0310e5971..5482904a3c42eaec190e9d1a829ef76d433b8dac 100644
--- a/test/cpp/qps/limit_cores.h
+++ b/test/cpp/qps/limit_cores.h
@@ -34,8 +34,6 @@
 #ifndef TEST_QPS_LIMIT_CORES_H
 #define TEST_QPS_LIMIT_CORES_H
 
-#include <vector>
-
 namespace grpc {
 namespace testing {
 /// LimitCores: allow this worker to only run on the cores specified in the