diff --git a/ext/objspace/lib/objspace/trace.rb b/ext/objspace/lib/objspace/trace.rb
index df803bbae6..c23f5a9d52 100644
--- a/ext/objspace/lib/objspace/trace.rb
+++ b/ext/objspace/lib/objspace/trace.rb
@@ -26,6 +26,7 @@
 require 'objspace.so'
 
 module Kernel
+  remove_method :p
   define_method(:p) do |*objs|
     objs.each do |obj|
       file = ObjectSpace.allocation_sourcefile(obj)