diff --git a/common/build/build-common/src/cjs/package.json b/common/build/build-common/src/cjs/package.json
index a0df0c867783..a3de646b18a3 100644
--- a/common/build/build-common/src/cjs/package.json
+++ b/common/build/build-common/src/cjs/package.json
@@ -1,3 +1,4 @@
 {
-	"type": "commonjs"
+	"type": "commonjs",
+	"sideEffects": false
 }
diff --git a/common/build/build-common/src/esm/package.json b/common/build/build-common/src/esm/package.json
index bedb411a9124..330f44b1b29e 100644
--- a/common/build/build-common/src/esm/package.json
+++ b/common/build/build-common/src/esm/package.json
@@ -1,3 +1,4 @@
 {
-	"type": "module"
+	"type": "module",
+	"sideEffects": false
 }
diff --git a/packages/dds/tree/package.json b/packages/dds/tree/package.json
index 455befd11e50..2f54527ad1f4 100644
--- a/packages/dds/tree/package.json
+++ b/packages/dds/tree/package.json
@@ -79,7 +79,7 @@
 		"build:commonjs": "fluid-build . --task commonjs",
 		"build:compile": "fluid-build . --task compile",
 		"build:docs": "api-extractor run --local",
-		"build:esnext": "tsc --project ./tsconfig.json && copyfiles -f ../../../common/build/build-common/src/esm/package.json ./lib",
+		"build:esnext": "tsc --project ./tsconfig.json",
 		"build:genver": "gen-version",
 		"build:test": "npm run build:test:esm && npm run build:test:cjs",
 		"build:test:cjs": "fluid-tsc commonjs --project ./src/test/tsconfig.cjs.json",