diff --git a/utils/gha-runners/build-pmdk.sh b/utils/gha-runners/build-pmdk.sh
index 8e5759afdba888ef8c6d158c473b3f580eaed563..9d66b16e58d51fcf885f76a1f335361d0a405f65 100755
--- a/utils/gha-runners/build-pmdk.sh
+++ b/utils/gha-runners/build-pmdk.sh
@@ -17,7 +17,7 @@ set -eo pipefail
 function build_pmdk {
 	echo "********** make pmdk **********"
 	cd ${PMDK_PATH} && make clean
-	cd ${PMDK_PATH} && make EXTRA_CFLAGS=-DUSE_VALGRIND -j$(nproc)
+	cd ${PMDK_PATH} && make EXTRA_CFLAGS=-DUSE_VALGRIND
 	echo "********** make pmdk test **********"
 	cd ${PMDK_PATH}/ && make test
 }