diff --git a/drivers/staging/lustre/include/linux/libcfs/curproc.h b/drivers/staging/lustre/include/linux/libcfs/curproc.h
index 9e5239383828..d12cfb176457 100644
--- a/drivers/staging/lustre/include/linux/libcfs/curproc.h
+++ b/drivers/staging/lustre/include/linux/libcfs/curproc.h
@@ -84,7 +84,6 @@ void cfs_cap_raise(cfs_cap_t cap);
 void cfs_cap_lower(cfs_cap_t cap);
 int cfs_cap_raised(cfs_cap_t cap);
 cfs_cap_t cfs_curproc_cap_pack(void);
-void cfs_curproc_cap_unpack(cfs_cap_t cap);
 int cfs_capable(cfs_cap_t cap);
 
 /* __LIBCFS_CURPROC_H__ */
diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
index 01370629e14f..65cb2fa232f5 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
@@ -116,15 +116,6 @@ cfs_cap_t cfs_curproc_cap_pack(void)
 	return cap;
 }
 
-void cfs_curproc_cap_unpack(cfs_cap_t cap)
-{
-	struct cred *cred;
-	if ((cred = prepare_creds())) {
-		cfs_kernel_cap_unpack(&cred->cap_effective, cap);
-		commit_creds(cred);
-	}
-}
-
 int cfs_capable(cfs_cap_t cap)
 {
 	return capable(cfs_cap_unpack(cap));
@@ -286,7 +277,6 @@ EXPORT_SYMBOL(cfs_cap_raise);
 EXPORT_SYMBOL(cfs_cap_lower);
 EXPORT_SYMBOL(cfs_cap_raised);
 EXPORT_SYMBOL(cfs_curproc_cap_pack);
-EXPORT_SYMBOL(cfs_curproc_cap_unpack);
 EXPORT_SYMBOL(cfs_capable);
 
 /*