diff --git a/src/babel/traversal/scope/index.js b/src/babel/traversal/scope/index.js
index ff7efbec24..818a1469e1 100644
--- a/src/babel/traversal/scope/index.js
+++ b/src/babel/traversal/scope/index.js
@@ -79,7 +79,6 @@ var collectorVisitor = {
   },
 
   BlockScoped(node, parent, scope) {
-    if (this.isFunctionDeclaration()) return;
     if (scope.path === this) scope = scope.parent;
     scope.getBlockParent().registerDeclaration(this);
   },