diff --git a/README.md b/README.md
index 92d8c21..ecf9252 100644
--- a/README.md
+++ b/README.md
@@ -116,33 +116,7 @@ Useful Links and Invocations
 
 z/OS 1.13 Indexed full set of manuals: https://www-40.ibm.com/servers/resourcelink/svc00100.nsf/pages/zosv1r13-pdf-download?OpenDocument#ASM
 
-How to enable PERFKIT on z/VM (including web interface): https://www.ibm.com/support/pages/system/files/inline-files/Configuring_Perfkit.pdf
 
-To rebuild failed saved segments CMSPIPES CMSBAM etc etc, do this as MAINT640:
-<pre>
-q filepool connection for maint640 vmpsfs:
-put2prod savecms
-put2prod segments all
-vmfbld list segbld esasegs zvmsegs blddata ( All
-</pre>
-
-If the system name of z/VM has changed follow this:
-
-<pre>
-https://www.ibm.com/docs/en/zvm/7.2?topic=system-changing-name-target
-</pre>
-
-
-Then, do this:
-<pre>
-link to maint 190 as 190 mr
-access 190 K
-put2prod savecms
-put2prod segments all
-service restart
-service gcs bldnuc
-put2prod
-</pre>
 
 
 Enjoy!