diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
index 299fea6f84b..a0964243b48 100644
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -59,13 +59,13 @@ OLD_LIBS+=lib/libnv.so.0
 OLD_FILES+=usr/tests/sys/kern/unix_passfd_test
 
 # 20220621: ISA sound card drivers removed
-OLD_FILES+=usr/share/man/man4/snd_ad1816.4
-OLD_FILES+=usr/share/man/man4/snd_ess.4
-OLD_FILES+=usr/share/man/man4/snd_gusc.4
-OLD_FILES+=usr/share/man/man4/snd_mss.4
-OLD_FILES+=usr/share/man/man4/snd_sb16.4
-OLD_FILES+=usr/share/man/man4/snd_sb8.4
-OLD_FILES+=usr/share/man/man4/snd_sbc.4
+OLD_FILES+=usr/share/man/man4/snd_ad1816.4.gz
+OLD_FILES+=usr/share/man/man4/snd_ess.4.gz
+OLD_FILES+=usr/share/man/man4/snd_gusc.4.gz
+OLD_FILES+=usr/share/man/man4/snd_mss.4.gz
+OLD_FILES+=usr/share/man/man4/snd_sb16.4.gz
+OLD_FILES+=usr/share/man/man4/snd_sb8.4.gz
+OLD_FILES+=usr/share/man/man4/snd_sbc.4.gz
 
 # 20220612: new clang import which bumps version from 14.0.4 to 14.0.5
 OLD_FILES+=usr/lib/clang/14.0.4/include/cuda_wrappers/algorithm