diff --git a/Gemfile.lock b/Gemfile.lock
index c97afdcd..db14f318 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -315,8 +315,6 @@ GEM
     prawn_rails (0.0.11)
       prawn (>= 0.11.1)
       railties (>= 3.0.0)
-    protected_attributes (1.1.3)
-      activemodel (>= 4.0.1, < 5.0)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -450,7 +448,6 @@ GEM
       tins (~> 1.0)
     thor (0.19.1)
     thread_safe (0.3.5)
-    timers (1.1.0)
     tilt (2.0.1)
     timecop (0.8.0)
     tins (1.6.0)