diff --git a/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb b/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb
index 5a8ac0ac7..e52e54173 100644
--- a/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb
+++ b/sentry-rails/spec/sentry/rails/breadcrumbs/active_support_logger_spec.rb
@@ -79,6 +79,7 @@
 
     after do
       Sentry::Rails::Tracing.unsubscribe_tracing_events
+      expect(Sentry::Rails::Tracing.subscribed_tracing_events).to be_empty
       Sentry::Rails::Tracing.remove_active_support_notifications_patch
     end
 
diff --git a/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb b/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb
index d578b3c8d..9b62d2040 100644
--- a/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb
+++ b/sentry-rails/spec/sentry/rails/breadcrumbs/monotonic_active_support_logger_spec.rb
@@ -90,6 +90,7 @@
 
     after do
       Sentry::Rails::Tracing.unsubscribe_tracing_events
+      expect(Sentry::Rails::Tracing.subscribed_tracing_events).to be_empty
       Sentry::Rails::Tracing.remove_active_support_notifications_patch
     end
 
diff --git a/sentry-rails/spec/sentry/rails/tracing_spec.rb b/sentry-rails/spec/sentry/rails/tracing_spec.rb
index 679736bd6..14d0ee240 100644
--- a/sentry-rails/spec/sentry/rails/tracing_spec.rb
+++ b/sentry-rails/spec/sentry/rails/tracing_spec.rb
@@ -13,6 +13,7 @@
     transport.events = []
 
     described_class.unsubscribe_tracing_events
+    expect(described_class.subscribed_tracing_events).to be_empty
     described_class.remove_active_support_notifications_patch
   end
 
diff --git a/sentry-rails/spec/spec_helper.rb b/sentry-rails/spec/spec_helper.rb
index d19f9257a..7c9bb9a95 100644
--- a/sentry-rails/spec/spec_helper.rb
+++ b/sentry-rails/spec/spec_helper.rb
@@ -42,6 +42,7 @@
 
   config.after :each do
     Sentry::Rails::Tracing.unsubscribe_tracing_events
+    expect(Sentry::Rails::Tracing.subscribed_tracing_events).to be_empty
     Sentry::Rails::Tracing.remove_active_support_notifications_patch
   end