diff --git a/lustre/kernel_patches/series/2.6-rhel5.series b/lustre/kernel_patches/series/2.6-rhel5.series
index 34a730c4b6a394a68424f1f4039dfae42a2d7882..688ca34e1882ab86743d3d1bcfd530386fb5f7fd 100644
--- a/lustre/kernel_patches/series/2.6-rhel5.series
+++ b/lustre/kernel_patches/series/2.6-rhel5.series
@@ -9,4 +9,4 @@ export-2.6.18-vanilla.patch
 export-show_task-2.6.18-vanilla.patch
 sd_iostats-2.6-rhel4.patch
 export_symbol_numa-2.6-fc5.patch
-jbd-journal-chksum-2.6.18-vanilla.patch
+#jbd-journal-chksum-2.6.18-vanilla.patch
diff --git a/lustre/kernel_patches/series/2.6-sles10.series b/lustre/kernel_patches/series/2.6-sles10.series
index ab2e98ac88634045e7ecdfb89fe328353d3e8d30..406c0973e8b9652bc520004482b917a84536e88f 100644
--- a/lustre/kernel_patches/series/2.6-sles10.series
+++ b/lustre/kernel_patches/series/2.6-sles10.series
@@ -14,4 +14,4 @@ sd_iostats-2.6-rhel4.patch
 export_symbol_numa-2.6-fc5.patch 
 blkdev_tunables-2.6-sles10.patch
 jbd-stats-2.6-sles10.patch
-jbd-journal-chksum-2.6-sles10.patch
+#jbd-journal-chksum-2.6-sles10.patch
diff --git a/lustre/kernel_patches/series/2.6.18-vanilla.series b/lustre/kernel_patches/series/2.6.18-vanilla.series
index 8b9da0ef2d52ef14743feda1653735e0ec10a0e4..574524eb1f9ea5658345a7dc328de444cbe75b8e 100644
--- a/lustre/kernel_patches/series/2.6.18-vanilla.series
+++ b/lustre/kernel_patches/series/2.6.18-vanilla.series
@@ -13,4 +13,4 @@ sd_iostats-2.6-rhel4.patch
 export_symbol_numa-2.6.18.patch 
 jbd-16tb-overflow-fixes.patch
 jbd-check-for-unmapped-buffer.patch
-jbd-journal-chksum-2.6.18-vanilla.patch
+#jbd-journal-chksum-2.6.18-vanilla.patch