diff --git a/lib/toggles/feature/operation/and.rb b/lib/toggles/feature/operation/and.rb
deleted file mode 100644
index e69de29..0000000
diff --git a/lib/toggles/feature/operation/gt.rb b/lib/toggles/feature/operation/gt.rb
deleted file mode 100644
index e182e32..0000000
--- a/lib/toggles/feature/operation/gt.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-module Feature
-  module Operation
-    class GreaterThan
-      def self.call(entity, attr_name, expected)
-        entity.send(attr_name) > expected
-      end
-    end
-  end
-end
diff --git a/lib/toggles/feature/operation/in.rb b/lib/toggles/feature/operation/in.rb
deleted file mode 100644
index 16bb95d..0000000
--- a/lib/toggles/feature/operation/in.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-module Feature
-  module Operation
-    class In
-      def self.call(entity, attr_name, expected)
-        if expected.kind_of? Hash
-          expected = expected.reduce([]) do |list, (operation, args)|
-            Feature.operations[operation.to_sym].call(args)
-          end
-        end
-
-        expected.include? entity.send(attr_name.to_sym)
-      end
-    end
-  end
-end
diff --git a/lib/toggles/feature/operation/range.rb b/lib/toggles/feature/operation/range.rb
deleted file mode 100644
index 851b89f..0000000
--- a/lib/toggles/feature/operation/range.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module Feature
-  module Operation
-    class Range
-      def self.call(args)
-      end
-    end
-  end
-end