diff --git a/package.json b/package.json
index 2032f6f3..6ac4da9e 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,5 @@
     "volta": {
         "node": "24.15.0",
         "pnpm": "10.33.0"
-    },
-    "packageManager": "pnpm@10.33.0"
+    }
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index 68544b2c..d73f1b2e 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -60,6 +60,5 @@
         "lodash": "4.18.1",
         "regl": "2.1.1",
         "uuid": "13.0.0"
-    },
-    "packageManager": "pnpm@9.14.2"
+    }
 }
diff --git a/packages/dzi/package.json b/packages/dzi/package.json
index 34a5c33e..dffba041 100644
--- a/packages/dzi/package.json
+++ b/packages/dzi/package.json
@@ -52,6 +52,5 @@
         "@alleninstitute/vis-geometry": "workspace:*",
         "@alleninstitute/vis-core": "workspace:*",
         "regl": "2.1.1"
-    },
-    "packageManager": "pnpm@9.14.2"
+    }
 }
diff --git a/packages/geometry/package.json b/packages/geometry/package.json
index 947e868d..e6302d80 100644
--- a/packages/geometry/package.json
+++ b/packages/geometry/package.json
@@ -51,6 +51,5 @@
     "publishConfig": {
         "registry": "https://registry.npmjs.org",
         "access": "public"
-    },
-    "packageManager": "pnpm@9.14.2"
+    }
 }
diff --git a/packages/omezarr/package.json b/packages/omezarr/package.json
index 293a8ed2..b3424fda 100644
--- a/packages/omezarr/package.json
+++ b/packages/omezarr/package.json
@@ -54,6 +54,5 @@
         "regl": "2.1.1",
         "zarrita": "0.6.1",
         "zod": "4.3.6"
-    },
-    "packageManager": "pnpm@9.14.2"
+    }
 }
diff --git a/packages/scatterbrain/package.json b/packages/scatterbrain/package.json
index a0c0a732..23efe896 100644
--- a/packages/scatterbrain/package.json
+++ b/packages/scatterbrain/package.json
@@ -61,7 +61,6 @@
         "registry": "https://registry.npmjs.org",
         "access": "public"
     },
-    "packageManager": "pnpm@9.14.2",
     "devDependencies": {
         "@types/lodash": "4.17.24"
     }
diff --git a/site/package.json b/site/package.json
index bf30f0e3..4af709ab 100644
--- a/site/package.json
+++ b/site/package.json
@@ -67,6 +67,5 @@
         "regl": "2.1.1",
         "sharp": "0.34.5",
         "zarrita": "0.5.1"
-    },
-    "packageManager": "pnpm@9.14.2"
+    }
 }