1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
index 91929f80d2..00f74318c0 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
@@ -408,13 +408,13 @@ module ActiveRecord
       def remove_column(table_name, *column_names) #:nodoc:
         raise ArgumentError.new("You must specify at least one column name. Example: remove_column(:people, :first_name)") if column_names.empty?
 
-        if column_names.first.kind_of?(Enumerable)
+        if column_names.flatten!
           message = 'Passing array to remove_columns is deprecated, please use ' +
                     'multiple arguments, like: `remove_columns(:posts, :foo, :bar)`'
           ActiveSupport::Deprecation.warn message, caller
         end
 
-        column_names.flatten.each do |column_name|
+        column_names.each do |column_name|
           alter_table(table_name) do |definition|
             definition.columns.delete(definition[column_name])
           end