diff --git a/fs/mount/Make.defs b/fs/mount/Make.defs
index 26dc54f712..7bba8e8bff 100644
--- a/fs/mount/Make.defs
+++ b/fs/mount/Make.defs
@@ -38,7 +38,7 @@
 ifneq ($(CONFIG_NFILE_DESCRIPTORS),0)
 ifneq ($(CONFIG_DISABLE_MOUNTPOINT),y)
 
-CSRCS += fs_fsync.c fs_mount.c fs_umount.c fs_foreachmountpoint.c
+CSRCS += fs_mount.c fs_umount.c fs_foreachmountpoint.c
 
 ifeq ($(CONFIG_FS_AUTOMOUNTER),y)
 CSRCS += fs_automount.c
diff --git a/fs/vfs/Make.defs b/fs/vfs/Make.defs
index 1fb98da497..789ea40a67 100644
--- a/fs/vfs/Make.defs
+++ b/fs/vfs/Make.defs
@@ -67,8 +67,8 @@ else
 # Common file/socket descriptor support
 
 CSRCS += fs_close.c fs_dup.c fs_dup2.c fs_fcntl.c fs_filedup.c fs_filedup2.c
-CSRCS += fs_ioctl.c fs_lseek.c fs_mkdir.c fs_open.c fs_poll.c fs_read.c
-CSRCS += fs_rename.c fs_rmdir.c fs_stat.c fs_statfs.c fs_select.c
+CSRCS += fs_fsync.c fs_ioctl.c fs_lseek.c fs_mkdir.c fs_open.c fs_poll.c
+CSRCS += fs_read.c fs_rename.c fs_rmdir.c fs_stat.c fs_statfs.c fs_select.c
 CSRCS += fs_unlink.c fs_write.c
 
 # Stream support