diff --git a/CMakeLists.txt b/CMakeLists.txt
index 65aadb7cf1a03a32f00e968edc3764c4255a63cc..28cd26555f292939e397a63dcbdd6ae297bab619 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17370,7 +17370,6 @@ target_include_directories(timer_test
   PRIVATE ${_gRPC_BENCHMARK_INCLUDE_DIR}
   PRIVATE ${_gRPC_CARES_INCLUDE_DIR}
   PRIVATE ${_gRPC_GFLAGS_INCLUDE_DIR}
-  PRIVATE ${_gRPC_NANOPB_INCLUDE_DIR}
   PRIVATE ${_gRPC_PROTOBUF_INCLUDE_DIR}
   PRIVATE ${_gRPC_SSL_INCLUDE_DIR}
   PRIVATE ${_gRPC_UPB_GENERATED_DIR}