diff --git a/mcp/pacemaker.sysconfig b/mcp/pacemaker.sysconfig
index 26c3362676..780a34cfcc 100644
--- a/mcp/pacemaker.sysconfig
+++ b/mcp/pacemaker.sysconfig
@@ -1,20 +1,16 @@
 # For non-systemd based systems, prefix export to each enabled line
 
-# Enable this for compatibility with older corosync (prior to 2.0)
-# based clusters which used the nodes uname as its uuid also
-# PCMK_uname_is_uuid=no
-
 # Variables that control logging
 # PCMK_trace_functions=function1,function2,function3
 # PCMK_trace_formats="Sent delete %d"
 # PCMK_trace_files=file.c,other.c
 
 # Variables for running child daemons under valgrind and/or checking for memory problems
 # G_SLICE=always-malloc
 # MALLOC_PERTURB_=221 # or 0
 # MALLOC_CHECK_=3     # or 0,1,2
 # PCMK_valgrind_enabled=yes
 # PCMK_valgrind_enabled=cib,crmd
 # PCMK_callgrind_enabled=yes
 # PCMK_callgrind_enabled=cib,crmd
 # VALGRIND_OPTS="--leak-check=full --trace-children=no --num-callers=25 --log-file=/tmp/pacemaker-%p.valgrind"