diff --git a/app/controllers/groups/variables_controller.rb b/app/controllers/groups/variables_controller.rb
index 0ebfebd6682..913e13bf734 100644
--- a/app/controllers/groups/variables_controller.rb
+++ b/app/controllers/groups/variables_controller.rb
@@ -11,20 +11,28 @@ module Groups
     end
 
     def update
-      if @group.update(variables_params)
+      if @group.update(group_variables_params)
         respond_to do |format|
-          format.json { return render status: :ok, json: { variables: GroupVariableSerializer.new.represent(@group.variables) } }
+          format.json { return render_group_variables }
         end
       else
         respond_to do |format|
-          format.json { render status: :bad_request, json: @group.errors.full_messages }
+          format.json { render_error }
         end
       end
     end
 
     private
 
-    def variables_params
+    def render_group_variables
+      render status: :ok, json: { variables: GroupVariableSerializer.new.represent(@group.variables) }
+    end
+
+    def render_error
+      render status: :bad_request, json: @group.errors.full_messages
+    end
+
+    def group_variables_params
       params.permit(variables_attributes: [*variable_params_attributes])
     end
 
diff --git a/app/controllers/projects/variables_controller.rb b/app/controllers/projects/variables_controller.rb
index 329e1cdfef0..7eb509e2e64 100644
--- a/app/controllers/projects/variables_controller.rb
+++ b/app/controllers/projects/variables_controller.rb
@@ -12,17 +12,25 @@ class Projects::VariablesController < Projects::ApplicationController
   def update
     if @project.update(variables_params)
       respond_to do |format|
-        format.json { return render status: :ok, json: { variables: VariableSerializer.new.represent(@project.variables) } }
+        format.json { return render_variables }
       end
     else
       respond_to do |format|
-        format.json { render status: :bad_request, json: @project.errors.full_messages }
+        format.json { render_error }
       end
     end
   end
 
   private
 
+  def render_variables
+    render status: :ok, json: { variables: VariableSerializer.new.represent(@project.variables) }
+  end
+
+  def render_error
+    render status: :bad_request, json: @project.errors.full_messages
+  end
+
   def variables_params
     params.permit(variables_attributes: [*variable_params_attributes])
   end