diff --git a/packages/internal/package.json b/packages/internal/package.json
index ff609e38e2f1..127867b3bf29 100755
--- a/packages/internal/package.json
+++ b/packages/internal/package.json
@@ -22,6 +22,7 @@
   "dependencies": {
     "@agoric/assert": "^0.6.0",
     "@agoric/base-zone": "^0.1.0",
+    "@endo/common": "^1.0.2",
     "@endo/far": "^1.0.2",
     "@endo/init": "^1.0.2",
     "@endo/marshal": "^1.1.0",
diff --git a/packages/internal/src/index.js b/packages/internal/src/index.js
index c13a3a4b4562..ee98585a187e 100644
--- a/packages/internal/src/index.js
+++ b/packages/internal/src/index.js
@@ -7,3 +7,6 @@ export * from './debug.js';
 export * from './utils.js';
 export * from './method-tools.js';
 export * from './typeGuards.js';
+
+export { objectMap } from '@endo/common/object-map.js';
+export { fromUniqueEntries } from '@endo/common/from-unique-entries.js';
diff --git a/packages/store/src/stores/scalarWeakMapStore.js b/packages/store/src/stores/scalarWeakMapStore.js
index 9bd3db548230..1062ac554b87 100644
--- a/packages/store/src/stores/scalarWeakMapStore.js
+++ b/packages/store/src/stores/scalarWeakMapStore.js
@@ -1,6 +1,10 @@
 import { Far, assertPassable, passStyleOf } from '@endo/pass-style';
-import { getCopyMapEntries, mustMatch, assertPattern } from '@endo/patterns';
-import { isCopyMap } from './store-utils.js';
+import {
+  getCopyMapEntries,
+  mustMatch,
+  assertPattern,
+  isCopyMap,
+} from '@endo/patterns';
 
 const { quote: q, Fail } = assert;
 
diff --git a/packages/store/src/stores/scalarWeakSetStore.js b/packages/store/src/stores/scalarWeakSetStore.js
index 4a256ba9207b..68bcdfd594e4 100644
--- a/packages/store/src/stores/scalarWeakSetStore.js
+++ b/packages/store/src/stores/scalarWeakSetStore.js
@@ -1,6 +1,10 @@
 import { Far, passStyleOf } from '@endo/pass-style';
-import { getCopySetKeys, mustMatch, assertPattern } from '@endo/patterns';
-import { isCopySet } from './store-utils.js';
+import {
+  getCopySetKeys,
+  mustMatch,
+  assertPattern,
+  isCopySet,
+} from '@endo/patterns';
 
 const { quote: q, Fail } = assert;
 
diff --git a/packages/store/src/stores/store-utils.js b/packages/store/src/stores/store-utils.js
index 7eb6c1058bf8..172d4e626560 100644
--- a/packages/store/src/stores/store-utils.js
+++ b/packages/store/src/stores/store-utils.js
@@ -1,5 +1,7 @@
 import { Far } from '@endo/marshal';
 
+const { quote: q, Fail } = assert;
+
 /** @typedef {import('@endo/marshal').RankCompare} RankCompare */
 
 /**