diff --git a/Gemfile b/Gemfile
index 70b2dbf5a..a0d8ba983 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,14 +2,9 @@ source 'https://rubygems.org/'
 
 gem 'dotenv-rails', :require => "dotenv/rails-now"
 
-gem "sass-rails"
-gem "uglifier"
-gem "therubyracer", :platforms => :ruby
 gem "rails", "~> 5.2"
 gem "pg"
 gem "dalli", :platforms => :ruby
-gem "memcache-client", :platforms => [:mswin, :mingw, :x64_mingw]
-gem "tzinfo-data", :platforms => [:mswin, :mingw, :x64_mingw]
 gem "delayed_job"
 gem "delayed_job_active_record"
 gem "simple_form"
@@ -31,12 +26,10 @@ gem 'stripe'
 gem 'twitter'
 gem 'aws-sdk', '~> 2'
 gem 'responders'
-gem 'highline'
 gem 'dtext_rb', :git => "https://github.com/r888888888/dtext_rb.git", :require => "dtext"
 gem 'google-api-client'
 gem 'cityhash'
 gem 'bigquery', :git => "https://github.com/abronte/BigQuery.git", :ref => "b92b4e0b54574e3fde7ad910f39a67538ed387ad"
-gem 'memcache_mock'
 gem 'memoist'
 gem 'daemons'
 gem 'oauth2'
diff --git a/Gemfile.lock b/Gemfile.lock
index c3dde334f..ca68c043d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -133,7 +133,6 @@ GEM
       railties (>= 3.2, < 6.1)
     equalizer (0.0.11)
     erubi (1.8.0)
-    execjs (2.7.0)
     factory_bot (5.0.2)
       activesupport (>= 4.2.0)
     faraday (0.15.4)
@@ -167,7 +166,6 @@ GEM
       os (~> 0.9)
       signet (~> 0.7)
     hashdiff (1.0.0)
-    highline (2.0.2)
     http (3.3.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
@@ -192,7 +190,6 @@ GEM
     json (2.2.0)
     jwt (1.5.6)
     kgio (2.11.2)
-    libv8 (3.16.14.19)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -217,8 +214,6 @@ GEM
       nokogiri (~> 1.6)
       ntlm-http (~> 0.1, >= 0.1.1)
       webrobots (>= 0.0.9, < 0.2)
-    memcache-client (1.8.5)
-    memcache_mock (0.0.14)
     memoist (0.16.0)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
@@ -320,7 +315,6 @@ GEM
     recaptcha (5.0.0)
       json
     redis (4.1.2)
-    ref (2.0.0)
     representable (2.3.0)
       uber (~> 0.0.7)
     request_store (1.4.1)
@@ -340,17 +334,6 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.8.0)
       nokogumbo (~> 2.0)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
     shoulda-context (1.2.2)
     shoulda-matchers (4.1.1)
       activesupport (>= 4.2.0)
@@ -389,9 +372,6 @@ GEM
     stripe (4.21.3)
       faraday (~> 0.13)
       net-http-persistent (~> 3.0)
-    therubyracer (0.12.3)
-      libv8 (~> 3.16.14.15)
-      ref
     thor (0.19.4)
     thread_safe (0.3.6)
     tilt (2.0.9)
@@ -409,11 +389,7 @@ GEM
       simple_oauth (~> 0.3.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2019.2)
-      tzinfo (>= 1.0.0)
     uber (0.0.15)
-    uglifier (4.1.20)
-      execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.6)
@@ -474,13 +450,10 @@ DEPENDENCIES
   ffaker
   foreman
   google-api-client
-  highline
   httparty
   jquery-rails
   listen
   mechanize
-  memcache-client
-  memcache_mock
   memoist
   minitest-ci
   mocha
@@ -504,7 +477,6 @@ DEPENDENCIES
   ruby-vips
   rubyzip
   sanitize
-  sass-rails
   shoulda-context
   shoulda-matchers
   simple_form
@@ -513,11 +485,8 @@ DEPENDENCIES
   statistics2
   streamio-ffmpeg
   stripe
-  therubyracer
   timecop
   twitter
-  tzinfo-data
-  uglifier
   unicorn
   unicorn-worker-killer
   webmock