diff --git a/gemfiles/Gemfile.rails-5.0-stable b/gemfiles/Gemfile.rails-5.0-stable
index 902ef21a..dcd1ac14 100644
--- a/gemfiles/Gemfile.rails-5.0-stable
+++ b/gemfiles/Gemfile.rails-5.0-stable
@@ -21,7 +21,6 @@ group :test do
   gem "timecop"
   gem "webrat", "0.7.3", require: false
   gem "mocha", "~> 1.1", require: false
-  gem 'test_after_commit', require: false
 end
 
 platforms :ruby do
diff --git a/gemfiles/Gemfile.rails-5.0-stable.lock b/gemfiles/Gemfile.rails-5.0-stable.lock
index be02fd05..42e6ee41 100644
--- a/gemfiles/Gemfile.rails-5.0-stable.lock
+++ b/gemfiles/Gemfile.rails-5.0-stable.lock
@@ -152,8 +152,6 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    test_after_commit (1.1.0)
-      activerecord (>= 3.2)
     thor (1.0.1)
     thread_safe (0.3.6)
     timecop (0.9.1)
@@ -185,7 +183,6 @@ DEPENDENCIES
   rdoc
   responders (~> 2.1)
   sqlite3 (~> 1.3.6)
-  test_after_commit
   timecop
   webrat (= 0.7.3)
 
diff --git a/gemfiles/Gemfile.rails-5.1-stable b/gemfiles/Gemfile.rails-5.1-stable
index 70c21f0f..c2b8f523 100644
--- a/gemfiles/Gemfile.rails-5.1-stable
+++ b/gemfiles/Gemfile.rails-5.1-stable
@@ -19,7 +19,6 @@ group :test do
   gem "timecop"
   gem "webrat", "0.7.3", require: false
   gem "mocha", "~> 1.1", require: false
-  gem 'test_after_commit', require: false
 end
 
 platforms :ruby do
diff --git a/gemfiles/Gemfile.rails-5.1-stable.lock b/gemfiles/Gemfile.rails-5.1-stable.lock
index a992f85d..4a667182 100644
--- a/gemfiles/Gemfile.rails-5.1-stable.lock
+++ b/gemfiles/Gemfile.rails-5.1-stable.lock
@@ -1,5 +1,5 @@
 GIT
-  remote: https://github.com/rails/activemodel-serializers-xml.git
+  remote: git://github.com/rails/activemodel-serializers-xml.git
   revision: 93689638c28525acc65afb638fce866826532641
   specs:
     activemodel-serializers-xml (1.0.2)
@@ -152,8 +152,6 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    test_after_commit (1.1.0)
-      activerecord (>= 3.2)
     thor (1.0.1)
     thread_safe (0.3.6)
     timecop (0.9.1)
@@ -185,7 +183,6 @@ DEPENDENCIES
   rdoc
   responders (~> 2.1)
   sqlite3 (~> 1.3.6)
-  test_after_commit
   timecop
   webrat (= 0.7.3)
 
diff --git a/gemfiles/Gemfile.rails-5.2-stable b/gemfiles/Gemfile.rails-5.2-stable
index 5f472c81..dbfbd5f6 100644
--- a/gemfiles/Gemfile.rails-5.2-stable
+++ b/gemfiles/Gemfile.rails-5.2-stable
@@ -19,7 +19,6 @@ group :test do
   gem "timecop"
   gem "webrat", "0.7.3", require: false
   gem "mocha", "~> 1.1", require: false
-  gem 'test_after_commit', require: false
 end
 
 platforms :ruby do
diff --git a/gemfiles/Gemfile.rails-5.2-stable.lock b/gemfiles/Gemfile.rails-5.2-stable.lock
index 4e46928a..e2e578ab 100644
--- a/gemfiles/Gemfile.rails-5.2-stable.lock
+++ b/gemfiles/Gemfile.rails-5.2-stable.lock
@@ -160,8 +160,6 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    test_after_commit (1.1.0)
-      activerecord (>= 3.2)
     thor (1.0.1)
     thread_safe (0.3.6)
     timecop (0.9.1)
@@ -193,7 +191,6 @@ DEPENDENCIES
   rdoc
   responders (~> 2.1)
   sqlite3 (~> 1.3.6)
-  test_after_commit
   timecop
   webrat (= 0.7.3)
 
diff --git a/gemfiles/Gemfile.rails-6.0-stable b/gemfiles/Gemfile.rails-6.0-stable
index cdef68f6..90f762d4 100644
--- a/gemfiles/Gemfile.rails-6.0-stable
+++ b/gemfiles/Gemfile.rails-6.0-stable
@@ -19,7 +19,6 @@ group :test do
   gem "timecop"
   gem "webrat", "0.7.3", require: false
   gem "mocha", "~> 1.1", require: false
-  gem 'test_after_commit', require: false
 end
 
 platforms :ruby do
diff --git a/gemfiles/Gemfile.rails-6.0-stable.lock b/gemfiles/Gemfile.rails-6.0-stable.lock
index 8c7ee0eb..4c515a68 100644
--- a/gemfiles/Gemfile.rails-6.0-stable.lock
+++ b/gemfiles/Gemfile.rails-6.0-stable.lock
@@ -175,8 +175,6 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.4.2)
-    test_after_commit (1.1.0)
-      activerecord (>= 3.2)
     thor (1.0.1)
     thread_safe (0.3.6)
     timecop (0.9.1)
@@ -209,7 +207,6 @@ DEPENDENCIES
   rdoc
   responders (~> 3.0)
   sqlite3 (~> 1.4)
-  test_after_commit
   timecop
   webrat (= 0.7.3)