2 files changed, 5 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/associations/builder/association.rb b/activerecord/lib/active_record/associations/builder/association.rb
index e6da251550..dd2a6415b4 100644
--- a/activerecord/lib/active_record/associations/builder/association.rb
+++ b/activerecord/lib/active_record/associations/builder/association.rb
@@ -69,7 +69,7 @@ module ActiveRecord::Associations::Builder
     end
 
     def define_callbacks(model, reflection)
-      add_before_destroy_callbacks(model, reflection) if reflection.options[:dependent]
+      self.class.add_before_destroy_callbacks(model, reflection) if reflection.options[:dependent]
       Association.extensions.each do |extension|
         extension.build model, reflection
       end
@@ -110,9 +110,9 @@ module ActiveRecord::Associations::Builder
 
     private
 
-    def add_before_destroy_callbacks(model, reflection)
-      unless self.class.valid_dependent_options.include? reflection.options[:dependent]
-        raise ArgumentError, "The :dependent option must be one of #{self.class.valid_dependent_options}, but is :#{reflection.options[:dependent]}"
+    def self.add_before_destroy_callbacks(model, reflection)
+      unless valid_dependent_options.include? reflection.options[:dependent]
+        raise ArgumentError, "The :dependent option must be one of #{valid_dependent_options}, but is :#{reflection.options[:dependent]}"
       end
 
       name = reflection.name
diff --git a/activerecord/lib/active_record/associations/builder/has_one.rb b/activerecord/lib/active_record/associations/builder/has_one.rb
index a2509b5bae..f359efd496 100644
--- a/activerecord/lib/active_record/associations/builder/has_one.rb
+++ b/activerecord/lib/active_record/associations/builder/has_one.rb
@@ -16,7 +16,7 @@ module ActiveRecord::Associations::Builder
 
     private
 
-    def add_before_destroy_callbacks(model, reflection)
+    def self.add_before_destroy_callbacks(model, reflection)
       super unless reflection.options[:through]
     end
   end