diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index c8fa4ef9afd0d..552a22d28aa2a 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -51,7 +51,6 @@ def type_cast(value, column)
           return value unless column
 
           case column.type
-          when :binary then value
           when :integer then value.to_i
           when :float then value.to_f
           else