diff --git a/core/src/main/java/org/jruby/RubyThread.java b/core/src/main/java/org/jruby/RubyThread.java
index 1d88c5fd8c4..f6b1f6b5a25 100644
--- a/core/src/main/java/org/jruby/RubyThread.java
+++ b/core/src/main/java/org/jruby/RubyThread.java
@@ -879,7 +879,7 @@ public static IRubyObject pending_interrupt_p_s(ThreadContext context, IRubyObje
         return context.getThread().pending_interrupt_p(context);
     }
 
-    @JRubyMethod(name = "pending_interrupt?", meta = true, optional = 1, checkArity = false)
+    @JRubyMethod(name = "pending_interrupt?", meta = true)
     public static IRubyObject pending_interrupt_p_s(ThreadContext context, IRubyObject self, IRubyObject err) {
         return context.getThread().pending_interrupt_p(context, err);
     }