diff --git a/ember-style-modifier/package.json b/ember-style-modifier/package.json
index 528cc547..e48ca438 100644
--- a/ember-style-modifier/package.json
+++ b/ember-style-modifier/package.json
@@ -117,7 +117,6 @@
     }
   },
   "peerDependencies": {
-    "@ember/string": "^3.1.1 || ^4.0.0",
-    "ember-source": "^3.28.0 || ^4.0.0 || >=5.0.0"
+    "@ember/string": "^3.1.1 || ^4.0.0"
   }
 }