diff --git a/test/irb/test_irb.rb b/test/irb/test_irb.rb
index 28be74408..05f59239e 100644
--- a/test/irb/test_irb.rb
+++ b/test/irb/test_irb.rb
@@ -825,6 +825,13 @@ def build_irb
   end
 
   class BacktraceFilteringTest < TestIRB::IntegrationTestCase
+    def setup
+      super
+      # These tests are sensitive to warnings, so we disable them
+      original_rubyopt = ENV["RUBYOPT"] || "" + (@envs["RUBYOPT"] || "")
+      @envs["RUBYOPT"] = original_rubyopt + " -W0"
+    end
+
     def test_backtrace_filtering
       write_ruby <<~'RUBY'
         def foo