diff --git a/contrib/libpq-cmake/CMakeLists.txt b/contrib/libpq-cmake/CMakeLists.txt
index b2c3838c232..be1e88b6cc2 100644
--- a/contrib/libpq-cmake/CMakeLists.txt
+++ b/contrib/libpq-cmake/CMakeLists.txt
@@ -60,7 +60,6 @@ add_definitions(-DHAVE_HMAC_CTX_FREE)
 
 target_include_directories (_libpq SYSTEM PUBLIC ${LIBPQ_SOURCE_DIR})
 target_include_directories (_libpq SYSTEM PUBLIC "${LIBPQ_SOURCE_DIR}/include")
-target_include_directories (_libpq SYSTEM PRIVATE "${LIBPQ_SOURCE_DIR}/configs")
 
 # NOTE: this is a dirty hack to avoid and instead pg_config.h should be shipped
 # for different OS'es like for jemalloc, not one generic for all OS'es like