diff --git a/devices/qemu-aarch64/default.nix b/devices/qemu-aarch64/default.nix
index 06c3b0c9..c1144aaa 100644
--- a/devices/qemu-aarch64/default.nix
+++ b/devices/qemu-aarch64/default.nix
@@ -27,7 +27,6 @@
 
         MTD = "y";
         MTD_BLOCK2MTD = "y";
-        MTD_BLKDEVS = "y";
         MTD_BLOCK = "y";
 
         VIRTIO_MENU = "y";
diff --git a/devices/qemu/default.nix b/devices/qemu/default.nix
index 8f664a10..9878a378 100644
--- a/devices/qemu/default.nix
+++ b/devices/qemu/default.nix
@@ -53,7 +53,6 @@
 
         MTD = "y";
         MTD_BLOCK2MTD = "y";
-        MTD_BLKDEVS = "y";
         MTD_BLOCK = "y";
 
         VIRTIO_MENU = "y";