diff --git a/paper_trail.gemspec b/paper_trail.gemspec
index b993f4ae..cd9a0f3b 100644
--- a/paper_trail.gemspec
+++ b/paper_trail.gemspec
@@ -41,7 +41,6 @@ has been destroyed.
   s.add_development_dependency "ffaker", "~> 2.11"
   s.add_development_dependency "generator_spec", "~> 0.9.4"
   s.add_development_dependency "memory_profiler", "~> 0.9.14"
-  s.add_development_dependency "paper_trail-association_tracking", "~> 2.0.0"
   s.add_development_dependency "rake", "~> 13.0"
   s.add_development_dependency "rspec-rails", "~> 4.0"
   s.add_development_dependency "rubocop", "~> 0.88.0"