diff --git a/.travis.yml b/.travis.yml
index fda73c3c..6dee27de 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,62 +28,59 @@ before_install:
 - CHEF_LICENSE="accept-no-persist" sudo chef gem install webmock
 - eval "$(chef shell-init bash)"
 - chef --version
-- cookstyle --version
-- foodcritic --version
-- kitchen --version
 - kitchen list
 
 matrix:
   include:
   # Run the style, unit and chefspec tests
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake
   # Run integration tests with test-kitchen
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='default-centos-7'
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='default-ubuntu-1804'
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='missing-profile-no-fail-ubuntu-1804'
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE && exit 1 || echo "OK"
     env: SUITE=test:integration OS='missing-profile-fail-ubuntu-1804'
 
   # Next 5 suites are disabled due to an issue with the gem() inspec resource
   # see https://github.com/chef-cookbooks/audit/issues/406
   #
-  # - rvm: 2.6.3
+  # - rvm: 2.6.5
   #   script: rake $SUITE
   #   env: SUITE=test:integration OS='chef15-compatible-inspec-ubuntu-1804'
   # Next 4 suites test running inspec 3 or 4 on audit cookbook. This is only permitted on chef 14 or older.
-  # - rvm: 2.6.3
+  # - rvm: 2.6.5
   #   script: rake $SUITE
   #   env: SUITE=test:integration OS='gem-install-core-version4-centos-7' CHEF_VERSION=14
-  # - rvm: 2.6.3
+  # - rvm: 2.6.5
   #   script: rake $SUITE
   #   env: SUITE=test:integration OS='gem-install-core-version3-centos-7' CHEF_VERSION=14
-  # - rvm: 2.6.3
+  # - rvm: 2.6.5
   #   script: rake $SUITE
   #   env: SUITE=test:integration OS='gem-install-core-version4-ubuntu-1804' CHEF_VERSION=14
-  # - rvm: 2.6.3
+  # - rvm: 2.6.5
   #   script: rake $SUITE
   #   env: SUITE=test:integration OS='gem-install-core-version3-ubuntu-1804' CHEF_VERSION=14
 
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='inspec-attributes-ubuntu-1804'
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='chef-node-enabled-ubuntu-1804'
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='chef-node-disabled-ubuntu-1804'
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='hash-centos-7'
-  - rvm: 2.6.3
+  - rvm: 2.6.5
     script: rake $SUITE
     env: SUITE=test:integration OS='hash-ubuntu-1804'
diff --git a/libraries/matchers.rb b/libraries/matchers.rb
deleted file mode 100644
index 2131000c..00000000
--- a/libraries/matchers.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-# encoding: utf-8
-
-# used by ChefSpec