diff --git a/tools/internal_ci/linux/grpc_e2e_performance_gke.sh b/tools/internal_ci/linux/grpc_e2e_performance_gke.sh
index fedbea3839f8c..e2e8fe13e931f 100755
--- a/tools/internal_ci/linux/grpc_e2e_performance_gke.sh
+++ b/tools/internal_ci/linux/grpc_e2e_performance_gke.sh
@@ -76,8 +76,8 @@ LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifac
 # This is to ensure we can push and pull images from GCR and Artifact Registry.
 # We do not necessarily need it to run load tests, but will need it when we
 # employ pre-built images in the optimization.
-gcloud auth configure-docker
-gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
+gcloud auth configure-docker --quiet
+gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}" --quiet
 
 # Connect to benchmarks-prod2 cluster.
 gcloud config set project grpc-testing
diff --git a/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh b/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh
index 35567f842b645..177bea3a0f804 100755
--- a/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh
+++ b/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh
@@ -70,8 +70,8 @@ LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifac
 # This is to ensure we can push and pull images from GCR and Artifact Registry.
 # We do not necessarily need it to run load tests, but will need it when we
 # employ pre-built images in the optimization.
-gcloud auth configure-docker
-gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
+gcloud auth configure-docker --quiet
+gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}" --quiet
 
 # Connect to benchmarks-prod2 cluster.
 gcloud config set project grpc-testing
diff --git a/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh b/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh
index 868a68827f6d5..d2c17d3d38145 100755
--- a/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh
+++ b/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh
@@ -71,8 +71,8 @@ LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifac
 # This is to ensure we can push and pull images from GCR and Artifact Registry.
 # We do not necessarily need it to run load tests, but will need it when we
 # employ pre-built images in the optimization.
-gcloud auth configure-docker
-gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
+gcloud auth configure-docker --quiet
+gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}" --quiet
 
 # Connect to benchmarks-prod2 cluster.
 gcloud config set project grpc-testing
diff --git a/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh b/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh
index 3dea89b24f6fc..a8c4bebecb31a 100644
--- a/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh
+++ b/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh
@@ -49,8 +49,8 @@ LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifac
 # This is to ensure we can push and pull images from GCR and Artifact Registry.
 # We do not necessarily need it to run load tests, but will need it when we
 # employ pre-built images in the optimization.
-gcloud auth configure-docker
-gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
+gcloud auth configure-docker --quiet
+gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}" --quiet
 
 # Connect to benchmarks-prod2 cluster.
 gcloud config set project grpc-testing