diff --git a/common/cmd_doc.c b/common/cmd_doc.c
index d7b2f53..9d5b300 100644
--- a/common/cmd_doc.c
+++ b/common/cmd_doc.c
@@ -14,6 +14,7 @@
 #include <linux/mtd/nftl.h>
 #include <linux/mtd/doc2000.h>
 
+#if 0
 #ifdef CFG_DOC_SUPPORT_2000
 #define DoC_is_2000(doc) (doc->ChipID == DOC_ChipID_Doc2k)
 #else
@@ -1629,3 +1630,6 @@
 		puts ("No DiskOnChip found\n");
 	}
 }
+#else
+void doc_probe(unsigned long physadr) {}
+#endif