diff --git a/iocBoot/iocSolaris/auto_settings.req b/iocBoot/iocSolaris/auto_settings.req
index 31d890d349362a7e6006ac7856e17419b47e5773..8ef5c5cbdfebd3f4976578c6ee73731407cafe5e 100644
--- a/iocBoot/iocSolaris/auto_settings.req
+++ b/iocBoot/iocSolaris/auto_settings.req
@@ -73,9 +73,9 @@ file pvHistory.req P=$(P),N=1
 #file femto.req P=$(P),H=fem01:,F=seq01:
 
 ## PF4 dual filter
-file pf4common.req P=$(P),H=pf4:
-file pf4bank.req   P=$(P),H=pf4:,B=A
-file pf4bank.req   P=$(P),H=pf4:,B=B
+#file pf4common.req P=$(P),H=pf4:
+#file pf4bank.req   P=$(P),H=pf4:,B=A
+#file pf4bank.req   P=$(P),H=pf4:,B=B
 
 # pid
 file pid_control_settings.req P=$(P) PID=pid_slow