diff --git a/ci/testnet-manager.sh b/ci/testnet-manager.sh
index 77f430a61..859fd2d14 100755
--- a/ci/testnet-manager.sh
+++ b/ci/testnet-manager.sh
@@ -142,8 +142,6 @@ testnet-beta|testnet-beta-perf)
 testnet)
   CHANNEL_OR_TAG=$STABLE_CHANNEL_LATEST_TAG
   CHANNEL_BRANCH=$STABLE_CHANNEL
-  : "${EC2_NODE_COUNT:=3}"
-  : "${GCE_NODE_COUNT:=}"
   ;;
 testnet-perf)
   CHANNEL_OR_TAG=$STABLE_CHANNEL_LATEST_TAG
@@ -252,19 +250,9 @@ sanity() {
   testnet)
     (
       set -x
-
-      ok=true
-      if [[ -n $EC2_NODE_COUNT ]]; then
-        NO_LEDGER_VERIFY=1 \
-          ci/testnet-sanity.sh testnet-solana-com ec2 "${EC2_ZONES[0]}" || ok=false
-      elif [[ -n $GCE_NODE_COUNT ]]; then
-        NO_LEDGER_VERIFY=1 \
-          ci/testnet-sanity.sh testnet-solana-com gce "${GCE_ZONES[0]}" || ok=false
-      else
-        echo "Error: no EC2 or GCE nodes"
-        ok=false
-      fi
-      $ok
+      NO_LEDGER_VERIFY=1 \
+      NO_VALIDATOR_SANITY=1 \
+        ci/testnet-sanity.sh testnet-solana-com gcp us-west1-b
     )
     ;;
   testnet-perf)
@@ -387,30 +375,14 @@ deploy() {
   testnet)
     (
       set -x
-
-      if [[ -n $GCE_NODE_COUNT ]] || [[ -n $skipStart ]]; then
-        maybeSkipStart="skip"
-      fi
-
-      # shellcheck disable=SC2068
-      ci/testnet-deploy.sh -p testnet-solana-com -C ec2 ${EC2_ZONE_ARGS[@]} \
-        -t "$CHANNEL_OR_TAG" -n "$EC2_NODE_COUNT" -c 0 -u -P -f \
-        -a eipalloc-0fa502bf95f6f18b2 --letsencrypt testnet.solana.com \
-        ${skipCreate:+-e} \
-        ${maybeSkipStart:+-s} \
-        ${maybeStop:+-S} \
-        ${maybeDelete:+-D}
-
-      if [[ -n $GCE_NODE_COUNT ]]; then
-        # shellcheck disable=SC2068
-        ci/testnet-deploy.sh -p testnet-solana-com -C gce ${GCE_ZONE_ARGS[@]} \
-          -t "$CHANNEL_OR_TAG" -n "$GCE_NODE_COUNT" -c 0 -P -f \
+      NO_VALIDATOR_SANITY=1 \
+        ci/testnet-deploy.sh -p testnet-solana-com -C gcp -z us-west1-b \
+          -t "$CHANNEL_OR_TAG" -n 2 -c 0 -u -P \
+          -a testnet-solana-com --letsencrypt testnet.solana.com \
           ${skipCreate:+-e} \
           ${skipStart:+-s} \
           ${maybeStop:+-S} \
-          ${maybeDelete:+-D} \
-          -x
-      fi
+          ${maybeDelete:+-D}
     )
     ;;
   testnet-perf)