1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb
index 883d25d80b..537ebbef28 100644
--- a/activerecord/lib/active_record/relation/predicate_builder.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder.rb
@@ -58,7 +58,7 @@ module ActiveRecord
           key
         else
           key = key.to_s
-          key.split('.').first.to_sym if key.include?('.')
+          key.split('.').first if key.include?('.')
         end
       end.compact
     end
@@ -66,7 +66,7 @@ module ActiveRecord
     private
       def self.build(attribute, value)
         case value
-        when Array, ActiveRecord::Associations::CollectionProxy
+        when Array
           values = value.to_a.map {|x| x.is_a?(Base) ? x.id : x}
           ranges, values = values.partition {|v| v.is_a?(Range)}