diff --git a/system-test/partition-testcases/gce-5-node-3-partition.yml b/system-test/partition-testcases/gce-5-node-3-partition.yml
index 470a2defca..2d9ad0a19f 100755
--- a/system-test/partition-testcases/gce-5-node-3-partition.yml
+++ b/system-test/partition-testcases/gce-5-node-3-partition.yml
@@ -12,7 +12,6 @@ steps:
       CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "false"
-      ALLOW_PRIVATE_ADDR: "true"
       ADDITIONAL_FLAGS: "--dedicated"
       APPLY_PARTITIONS: "true"
       NETEM_CONFIG_FILE: "system-test/netem-configs/partial-loss-three-partitions"
diff --git a/system-test/partition-testcases/gce-5-node-single-region-2-partitions.yml b/system-test/partition-testcases/gce-5-node-single-region-2-partitions.yml
index 8c185836d3..ae9ff6f1d7 100755
--- a/system-test/partition-testcases/gce-5-node-single-region-2-partitions.yml
+++ b/system-test/partition-testcases/gce-5-node-single-region-2-partitions.yml
@@ -12,7 +12,6 @@ steps:
       CLIENT_OPTIONS: "bench-tps=1=--tx_count 5000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "false"
-      ALLOW_PRIVATE_ADDR: "true"
       ADDITIONAL_FLAGS: "--dedicated"
       APPLY_PARTITIONS: "true"
       NETEM_CONFIG_FILE: "system-test/netem-configs/complete-loss-two-partitions"
diff --git a/system-test/partition-testcases/gce-partition-once-then-stabilize.yml b/system-test/partition-testcases/gce-partition-once-then-stabilize.yml
index 5c29a18fb2..f0117213be 100755
--- a/system-test/partition-testcases/gce-partition-once-then-stabilize.yml
+++ b/system-test/partition-testcases/gce-partition-once-then-stabilize.yml
@@ -12,7 +12,6 @@ steps:
       CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "false"
-      ALLOW_PRIVATE_ADDR: "true"
       ADDITIONAL_FLAGS: "--dedicated"
       APPLY_PARTITIONS: "true"
       NETEM_CONFIG_FILE: "system-test/netem-configs/partial-loss-three-partitions"
diff --git a/system-test/partition-testcases/gce-partition-with-offline.yml b/system-test/partition-testcases/gce-partition-with-offline.yml
index 04954b4107..9fd6904a07 100755
--- a/system-test/partition-testcases/gce-partition-with-offline.yml
+++ b/system-test/partition-testcases/gce-partition-with-offline.yml
@@ -12,7 +12,6 @@ steps:
       CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "false"
-      ALLOW_PRIVATE_ADDR: "true"
       ADDITIONAL_FLAGS: "--dedicated"
       APPLY_PARTITIONS: "true"
       NETEM_CONFIG_FILE: "system-test/netem-configs/complete-loss-two-partitions"
diff --git a/system-test/stability-testcases/gce-perf-stability-5-node-single-region.yml b/system-test/stability-testcases/gce-perf-stability-5-node-single-region.yml
index 5136286621..7970c27d15 100755
--- a/system-test/stability-testcases/gce-perf-stability-5-node-single-region.yml
+++ b/system-test/stability-testcases/gce-perf-stability-5-node-single-region.yml
@@ -15,6 +15,5 @@ steps:
       USE_PUBLIC_IP_ADDRESSES: "false"
       ADDITIONAL_FLAGS: "--dedicated"
       TEST_TYPE: "fixed_duration"
-      ALLOW_PRIVATE_ADDR: "true"
     agents:
       - "queue=gce-deploy"