diff --git a/tools/warn.py b/tools/warn.py
index 9389b7d..48feb49 100755
--- a/tools/warn.py
+++ b/tools/warn.py
@@ -2816,7 +2816,6 @@
     simple_project_pattern('system/extras/memory_replay'),
     simple_project_pattern('system/extras/mmap-perf'),
     simple_project_pattern('system/extras/multinetwork'),
-    simple_project_pattern('system/extras/perfprofd'),
     simple_project_pattern('system/extras/procrank'),
     simple_project_pattern('system/extras/runconuid'),
     simple_project_pattern('system/extras/showmap'),