diff --git a/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb b/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
index ee43a6694f..bb0526adc3 100644
--- a/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
+++ b/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
@@ -19,7 +19,7 @@ module ActiveModel
         removed_keys = attributes.keys - sanitized_attributes.keys
         process_removed_attributes(removed_keys) if removed_keys.any?
       end
-      
+
       def process_removed_attributes(attrs)
         raise NotImplementedError, "#process_removed_attributes(attrs) suppose to be overwritten"
       end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 3e390ba994..1a24ed1375 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -806,7 +806,7 @@ module ActiveRecord
 
         if pk && sequence
           quoted_sequence = quote_table_name(sequence)
-          
+
           select_value <<-end_sql, 'Reset sequence'
             SELECT setval('#{quoted_sequence}', (SELECT COALESCE(MAX(#{quote_column_name pk})+(SELECT increment_by FROM #{quoted_sequence}), (SELECT min_value FROM #{quoted_sequence})) FROM #{quote_table_name(table)}), false)
           end_sql
@@ -835,7 +835,7 @@ module ActiveRecord
         else
           sequence = result.second+'.'+result.last
         end
-        
+
         [result.first, sequence]
       rescue
         nil