Index: boot/arch/ppc32/Makefile.inc
===================================================================
--- boot/arch/ppc32/Makefile.inc	(revision b97b348a7bdc9e9697abe5dcd02f197f8ff5053f)
+++ boot/arch/ppc32/Makefile.inc	(revision ba4a63b85a4380c6b8324933e535690fa7ca1d70)
@@ -40,7 +40,9 @@
 EXTRA_CFLAGS = -mcpu=powerpc -msoft-float -m32
 
-RD_SRVS += \
-	$(USPACE_PATH)/srv/hid/adb_mouse/adb_ms \
+RD_SRVS_ESSENTIAL += \
 	$(USPACE_PATH)/srv/hw/bus/cuda_adb/cuda_adb
+
+RD_SRVS_NON_ESSENTIAL += \
+	$(USPACE_PATH)/srv/hid/adb_mouse/adb_ms
 
 SOURCES = \