diff --git a/packages/agoric-cli/package.json b/packages/agoric-cli/package.json
index 593f129dae6..df83483c8e4 100644
--- a/packages/agoric-cli/package.json
+++ b/packages/agoric-cli/package.json
@@ -29,6 +29,7 @@
   },
   "devDependencies": {
     "@agoric/deploy-script-support": "^0.10.3",
+    "@agoric/cosmic-swingset": "^0.41.3",
     "ava": "^5.3.0",
     "c8": "^7.13.0"
   },
diff --git a/packages/agoric-cli/test/agops-governance-smoketest.sh b/packages/agoric-cli/test/agops-governance-smoketest.sh
index 875cc5bc5fc..b0eb943fd80 100644
--- a/packages/agoric-cli/test/agops-governance-smoketest.sh
+++ b/packages/agoric-cli/test/agops-governance-smoketest.sh
@@ -10,7 +10,7 @@ if [ -z "$AGORIC_NET" ]; then
 yarn install && yarn build
 
 # local chain running with wallet provisioned
-packages/builders/scripts/inter-protocol/start-local-chain.sh
+packages/agoric-cli/test/start-local-chain.sh
 "
     exit 1
 fi
diff --git a/packages/agoric-cli/test/agops-oracle-smoketest.sh b/packages/agoric-cli/test/agops-oracle-smoketest.sh
index 0287e4f9c4a..ca3f3b15d3f 100755
--- a/packages/agoric-cli/test/agops-oracle-smoketest.sh
+++ b/packages/agoric-cli/test/agops-oracle-smoketest.sh
@@ -13,7 +13,7 @@ if [ -z "$AGORIC_NET" ]; then
 yarn install && yarn build
 
 # local chain running with wallet provisioned
-packages/builders/scripts/inter-protocol/start-local-chain.sh
+packages/agoric-cli/test/start-local-chain.sh
 "
     exit 1
 fi
diff --git a/packages/agoric-cli/test/agops-perf-smoketest.sh b/packages/agoric-cli/test/agops-perf-smoketest.sh
index 7d65737a921..d71456ab0d4 100755
--- a/packages/agoric-cli/test/agops-perf-smoketest.sh
+++ b/packages/agoric-cli/test/agops-perf-smoketest.sh
@@ -10,7 +10,7 @@ if [ -z "$AGORIC_NET" ]; then
 yarn install && yarn build
 
 # local chain running with wallet provisioned
-packages/builders/scripts/inter-protocol/start-local-chain.sh
+packages/agoric-cli/test/start-local-chain.sh
 "
   exit 1
 fi
diff --git a/packages/agoric-cli/test/agops-vaults-smoketest.sh b/packages/agoric-cli/test/agops-vaults-smoketest.sh
index 9bd4fb6f0c4..78cd99e057b 100644
--- a/packages/agoric-cli/test/agops-vaults-smoketest.sh
+++ b/packages/agoric-cli/test/agops-vaults-smoketest.sh
@@ -10,7 +10,7 @@ if [ -z "$AGORIC_NET" ]; then
 yarn install && yarn build
 
 # local chain running with wallet provisioned
-packages/builders/scripts/inter-protocol/start-local-chain.sh
+packages/agoric-cli/test/start-local-chain.sh
 "
     exit 1
 fi
diff --git a/packages/builders/scripts/inter-protocol/start-local-chain.sh b/packages/agoric-cli/test/start-local-chain.sh
similarity index 100%
rename from packages/builders/scripts/inter-protocol/start-local-chain.sh
rename to packages/agoric-cli/test/start-local-chain.sh
diff --git a/packages/agoric-cli/test/upgrade-contract/contract-upgrade-smoketest.sh b/packages/agoric-cli/test/upgrade-contract/contract-upgrade-smoketest.sh
index 5c965d63925..32d1e547ad7 100755
--- a/packages/agoric-cli/test/upgrade-contract/contract-upgrade-smoketest.sh
+++ b/packages/agoric-cli/test/upgrade-contract/contract-upgrade-smoketest.sh
@@ -10,7 +10,7 @@ if [ -z "$AGORIC_NET" ]; then
 yarn install && yarn build
 
 # local chain running with wallet provisioned
-packages/builders/scripts/inter-protocol/start-local-chain.sh
+packages/agoric-cli/test/start-local-chain.sh
 "
     exit 1
 fi
diff --git a/packages/builders/package.json b/packages/builders/package.json
index 05cbc0637be..f11c0e5a96d 100644
--- a/packages/builders/package.json
+++ b/packages/builders/package.json
@@ -44,7 +44,6 @@
   },
   "devDependencies": {
     "@agoric/assert": "^0.6.0",
-    "@agoric/cosmic-swingset": "^0.41.3",
     "@agoric/deploy-script-support": "^0.10.3",
     "@agoric/governance": "^0.10.3",
     "@agoric/inter-protocol": "^0.16.1",
diff --git a/packages/cosmic-swingset/package.json b/packages/cosmic-swingset/package.json
index cf896a92cac..ea7f7600d72 100644
--- a/packages/cosmic-swingset/package.json
+++ b/packages/cosmic-swingset/package.json
@@ -50,6 +50,9 @@
     "ava": "^5.3.0",
     "c8": "^7.13.0"
   },
+  "peerDependencies": {
+    "@agoric/builders": "^0.1.0"
+  },
   "publishConfig": {
     "access": "public"
   },