diff --git a/Gemfile b/Gemfile
index ffdc2a74..626a9ea6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -69,11 +69,6 @@ group :development do
   gem 'rvm-capistrano', '~> 1.5.6', require: false
 end
 
-# For production caching.
-group :production do
-  gem 'memcache-client', '~> 1.8.5', :require => 'memcache'
-end
-
 # For testing.
 group :test do
   gem 'factory_girl_rails', '~> 4.9'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2bdb742a..16c5f20c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -165,7 +165,6 @@ GEM
       net-pop
       net-smtp
     marcel (1.0.2)
-    memcache-client (1.8.5)
     method_source (1.0.0)
     mime-types (3.4.1)
       mime-types-data (~> 3.2015)
@@ -334,7 +333,6 @@ DEPENDENCIES
   http_accept_language (~> 2.1, >= 2.1.1)
   jsbundling-rails (~> 1.1)
   letter_opener (~> 1.8, >= 1.8.1)
-  memcache-client (~> 1.8.5)
   mysql2 (~> 0.5.5)
   nokogiri (~> 1.15, >= 1.15.3)
   parallel (~> 1.23)
diff --git a/config/environments/production.rb b/config/environments/production.rb
index f812d4b1..04c593f5 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -32,7 +32,7 @@ Rails.application.configure do
   # config.logger = SyslogLogger.new
 
   # Use a different cache store in production
-  config.cache_store = :mem_cache_store, { namespace: "openneo-impress-rails" }
+  # config.cache_store = :mem_cache_store, { namespace: "openneo-impress-rails" }
 
   # Disable Rails's static asset server
   # In production, Apache or nginx will already do this
diff --git a/vendor/cache/memcache-client-1.8.5.gem b/vendor/cache/memcache-client-1.8.5.gem
deleted file mode 100644
index bbf23945..00000000
Binary files a/vendor/cache/memcache-client-1.8.5.gem and /dev/null differ