diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 622949d9b86b3..1bf95374a7d65 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -176,13 +176,6 @@
 #include <linux/types.h>
 #include <linux/perf_event.h>
 
-/*
- * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all
- * counters in the current task.
- */
-#define PR_TASK_PERF_EVENTS_DISABLE   31
-#define PR_TASK_PERF_EVENTS_ENABLE    32
-
 #ifndef NSEC_PER_SEC
 # define NSEC_PER_SEC			1000000000ULL
 #endif