diff --git a/man5/proc.5 b/man5/proc.5
index 030e4ae25..860eb6649 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -3185,11 +3185,6 @@ try increasing this value:
 .fi
 .ft
 
-The kernel constant
-.B NR_OPEN
-imposes an upper limit on the value that may be placed in
-.IR file-max .
-
 Privileged processes
 .RB ( CAP_SYS_ADMIN )
 can override the