diff --git a/Gemfile_rails4.lock b/Gemfile_rails4.lock
index cd1fafcb493..5989d7838e3 100644
--- a/Gemfile_rails4.lock
+++ b/Gemfile_rails4.lock
@@ -163,7 +163,6 @@ GEM
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    memory_profiler (0.0.4)
     message_bus (0.9.4)
       eventmachine
       rack (>= 1.1.3)
@@ -426,7 +425,6 @@ DEPENDENCIES
   librarian (>= 0.0.25)
   listen (= 0.7.3)
   lru_redux
-  memory_profiler
   message_bus
   minitest
   mocha