1 files changed, 1 insertions, 7 deletions
diff --git a/lib/arel/nodes/unary_operation.rb b/lib/arel/nodes/unary_operation.rb
index 3c56ef2026..be4e270e76 100644
--- a/lib/arel/nodes/unary_operation.rb
+++ b/lib/arel/nodes/unary_operation.rb
@@ -3,12 +3,6 @@ module Arel
   module Nodes
 
     class UnaryOperation < Unary
-      include Arel::Expressions
-      include Arel::Predications
-      include Arel::OrderPredications
-      include Arel::AliasPredication
-      include Arel::Math
-
       attr_reader :operator
 
       def initialize operator, operand
@@ -23,4 +17,4 @@ module Arel
       end
     end
   end
-end
-\ No newline at end of file
+end