diff --git a/repository/spec/spec_helper.rb b/repository/spec/spec_helper.rb
index ed0b880c4..0d88ef263 100644
--- a/repository/spec/spec_helper.rb
+++ b/repository/spec/spec_helper.rb
@@ -56,6 +56,8 @@ def self.remove_constants
 
   config.after do
     Test.remove_constants
+    ROM::Repository::RelationReader.relation_readers(nil)
+    ROM::Repository::RelationReader.relation_cache(Concurrent::Hash.new)
   end
 
   Dir[SPEC_ROOT.join('support/*.rb').to_s].each do |f|