diff --git a/src/js/git/index.js b/src/js/git/index.js
index 1b3299fc..d92567d7 100644
--- a/src/js/git/index.js
+++ b/src/js/git/index.js
@@ -2090,9 +2090,7 @@ GitEngine.prototype.hgRebase = function(destination, base) {
     });
   });
 
-  var branchList = _.map(branchMap, function(val, id) {
-    return id;
-  });
+  var branchList = Object.keys(branchMap);
 
   chain = chain.then(function() {
     // now we just moved a bunch of commits, but we haven't updated the
diff --git a/src/js/models/commandModel.js b/src/js/models/commandModel.js
index f8932e10..07f02c87 100644
--- a/src/js/models/commandModel.js
+++ b/src/js/models/commandModel.js
@@ -83,7 +83,7 @@ var Command = Backbone.Model.extend({
     }, this);
     var newMap = {};
     _.each(options, function(args, key) {
-      newMap[key] = _.map(args, function(arg) {
+      newMap[key] = Object.values(args).map(function (arg) {
         return this.replaceDotWithHead(arg);
       }, this);
     }, this);