diff --git a/instrumentation/delayed_job/opentelemetry-instrumentation-delayed_job.gemspec b/instrumentation/delayed_job/opentelemetry-instrumentation-delayed_job.gemspec
index 980ffd3c8..9978617c2 100644
--- a/instrumentation/delayed_job/opentelemetry-instrumentation-delayed_job.gemspec
+++ b/instrumentation/delayed_job/opentelemetry-instrumentation-delayed_job.gemspec
@@ -31,7 +31,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'appraisal', '~> 2.5'
   spec.add_development_dependency 'bundler', '~> 2.4'
   spec.add_development_dependency 'delayed_job', '~> 4.1.7'
-  spec.add_development_dependency 'debug'
   spec.add_development_dependency 'minitest', '~> 5.0'
   spec.add_development_dependency 'opentelemetry-sdk', '~> 1.1'
   spec.add_development_dependency 'opentelemetry-test-helpers', '~> 0.3'