diff --git a/src/Bundle.js b/src/Bundle.js
index c1e2ef10459..2b620323224 100644
--- a/src/Bundle.js
+++ b/src/Bundle.js
@@ -35,7 +35,6 @@ export default class Bundle {
 		this.modulePromises = {};
 		this.statements = [];
 		this.externalModules = [];
-		this.defaultExportName = null;
 		this.internalNamespaceModules = [];
 	}
 
diff --git a/src/Module.js b/src/Module.js
index aa3eb3ab5be..a5e1e64ea8b 100644
--- a/src/Module.js
+++ b/src/Module.js
@@ -19,7 +19,6 @@ export default class Module {
 
 		this.bundle = bundle;
 		this.path = path;
-		this.relativePath = relative( bundle.base, path ).slice( 0, -3 ); // remove .js
 
 		this.magicString = new MagicString( source, {
 			filename: path