diff --git a/rubocop.yml b/rubocop.yml
index 3457ff6..535dd33 100644
--- a/rubocop.yml
+++ b/rubocop.yml
@@ -8,10 +8,33 @@ inherit_mode:
 
 AllCops:
   SuggestExtensions: false
-  DisabledByDefault: true
   Exclude:
     - "data/**/*"
 
+# All cops except your using extensions are disabled by default.
+Bundler:
+  Enabled: false
+Gemspec:
+  Enabled: false
+Layout:
+  Enabled: false
+Lint:
+  Enabled: false
+Metrics:
+  Enabled: false
+Naming:
+  Enabled: false
+Performance:
+  Enabled: false
+  Exclude:
+    - "test/**/*"
+Rails:
+  Enabled: false
+Security:
+  Enabled: false
+Style:
+  Enabled: false
+
 # Align `when` with `end`.
 Layout/CaseIndentation:
   Enabled: true
@@ -152,10 +175,6 @@ Lint/RequireParentheses:
 Lint/UriEscapeUnescape:
   Enabled: true
 
-Performance:
-  Exclude:
-    - "test/**/*"
-
 Performance/FlatMap:
   Enabled: true