diff --git a/merlin/static/merlin/js/merlin.field.models.js b/merlin/static/merlin/js/merlin.field.models.js
index 2d1cf08..b31a27c 100644
--- a/merlin/static/merlin/js/merlin.field.models.js
+++ b/merlin/static/merlin/js/merlin.field.models.js
@@ -6,9 +6,9 @@
     .module('merlin')
     .factory('merlin.field.models', merlinFieldModels);
 
-  merlinFieldModels.$inject = ['merlin.utils', 'merlin.panel.models', '$http'];
+  merlinFieldModels.$inject = ['merlin.utils'];
 
-  function merlinFieldModels(utils, panels, $http) {
+  function merlinFieldModels(utils) {
     var wildcardMixin = Barricade.Blueprint.create(function() {
       return this;
     });
@@ -134,12 +134,6 @@
       return this;
     });
 
-    function meldGroup() {
-      if ( utils.getMeta(this, 'group') ) {
-        panels.groupmixin.call(this);
-      }
-    }
-
     var stringModel = Barricade.Primitive.extend({
       create: function(json, parameters) {
         var self = Barricade.Primitive.create.call(this, json, parameters);
@@ -170,7 +164,6 @@
         self.add = function() {
           self.push(undefined, parameters);
         };
-        meldGroup.call(self);
         plainStructureMixin.call(self);
         return self;
       }
@@ -181,7 +174,6 @@
         var self = Barricade.ImmutableObject.create.call(this, json, parameters);
 
         modelMixin.call(self, 'frozendict');
-        meldGroup.call(self);
         plainStructureMixin.call(self);
         return self;
       }
@@ -245,7 +237,6 @@
         self.removeItem = function(key) {
           self.remove(self.getPosByID(key));
         };
-        meldGroup.call(self);
         return self;
       }
     }, {'@type': Object});
diff --git a/merlin/static/merlin/js/merlin.panel.models.js b/merlin/static/merlin/js/merlin.panel.models.js
deleted file mode 100644
index b37ca43..0000000
--- a/merlin/static/merlin/js/merlin.panel.models.js
+++ /dev/null
@@ -1,52 +0,0 @@
-/**
- * Created by tsufiev on 2/24/15.
- */
-(function() {
-  'use strict';
-
-  angular
-    .module('merlin')
-    .factory('merlin.panel.models', merlinPanelModels);
-
-  merlinPanelModels.$inject = ['merlin.utils'];
-
-  function merlinPanelModels(utils) {
-    var groupMixin = Barricade.Blueprint.create(function() {
-      var self = this;
-      var additive = utils.getMeta(self, 'additive');
-      var removable = utils.getMeta(self, 'removable');
-
-      if ( angular.isUndefined(additive) ) {
-        additive = true;
-      }
-      self.isAdditive = function() {
-        return additive;
-      };
-
-      if ( angular.isUndefined(removable) ) {
-        removable = false;
-      }
-      self.isRemovable = function() {
-        return removable;
-      };
-
-      if ( removable ) { // conditionally override common .title()
-        self.title = function() {
-          if ( arguments.length ) {
-            self.setID(arguments[0]);
-          } else {
-            return self.getID();
-          }
-        };
-      }
-
-      self.setType('group');
-
-      return self;
-    });
-
-    return {
-      groupmixin: groupMixin
-    };
-  }
-})();
diff --git a/merlin/templates/merlin/base.html b/merlin/templates/merlin/base.html
index 785b0ad..c0f8afd 100644
--- a/merlin/templates/merlin/base.html
+++ b/merlin/templates/merlin/base.html
@@ -11,7 +11,6 @@
   <script type="text/javascript" src="{{ STATIC_URL }}merlin/js/merlin.filters.js"></script>
   <script type="text/javascript" src="{{ STATIC_URL }}merlin/js/merlin.directives.js"></script>
   <script type="text/javascript" src="{{ STATIC_URL }}merlin/js/merlin.field.models.js"></script>
-  <script type="text/javascript" src="{{ STATIC_URL }}merlin/js/merlin.panel.models.js"></script>
   <script type="text/javascript" src="{{ STATIC_URL }}merlin/js/merlin.utils.js"></script>
   {% block merlin-js %}{% endblock %}
 {% endblock %}