diff --git a/recipes-kernel/linux/linux-rpi.inc b/recipes-kernel/linux/linux-rpi.inc
index ba47e31..00c97f6 100644
--- a/recipes-kernel/linux/linux-rpi.inc
+++ b/recipes-kernel/linux/linux-rpi.inc
@@ -109,6 +109,8 @@ do_configure_prepend() {
     fi
     # Activate CONFIG_LEGACY_PTYS
     kernel_configure_variable LEGACY_PTYS y
+    # this module is built externally via drbd-utils
+    kernel_configure_variable BLK_DEV_DRBD n
 
     # Activate the configuration options for VC4
     VC4GRAPHICS="${@bb.utils.contains("MACHINE_FEATURES", "vc4graphics", "1", "0", d)}"