diff --git a/package/kernel/modules/netsupport.mk b/package/kernel/modules/netsupport.mk
index 4e75a9c274..70e239c412 100644
--- a/package/kernel/modules/netsupport.mk
+++ b/package/kernel/modules/netsupport.mk
@@ -87,7 +87,20 @@ define KernelPackage/misdn
   	CONFIG_ISDN=y \
   	CONFIG_MISDN \
 	CONFIG_MISDN_DSP \
-	CONFIG_MISDN_L1OIP
+	CONFIG_MISDN_L1OIP \
+	CONFIG_ISDN_PPP=N \
+	CONFIG_ISDN_AUDIO=n \
+	CONFIG_ISDN_WITH_ABC=n \
+	CONFIG_ISDN_DRV_LOOP=n \
+	CONFIG_ISDN_DIVERSION=n \
+	CONFIG_ISDN_DRV_HISAX=n \
+	CONFIG_ISDN_DRV_ICN=n \
+	CONFIG_ISDN_DRV_PCBIT=n \
+	CONFIG_ISDN_DRV_SC=n \
+	CONFIG_ISDN_DRV_ACT2000=n \
+	CONFIG_ISDN_DRV_EICON=n \
+	CONFIG_ISDN_DRV_TPAM=n \
+	CONFIG_HYSDN=n
   FILES:= \
   	$(LINUX_DIR)/drivers/isdn/mISDN/mISDN_core.$(LINUX_KMOD_SUFFIX) \
 	$(LINUX_DIR)/drivers/isdn/mISDN/mISDN_dsp.$(LINUX_KMOD_SUFFIX) \