diff --git a/includes/omapip/result.h b/includes/omapip/result.h
index 85534d8a..5a4d0365 100644
--- a/includes/omapip/result.h
+++ b/includes/omapip/result.h
@@ -86,7 +86,6 @@
 #define ISC_R_INVALIDARG	DHCP_R_INVALIDARG	
 #define ISC_R_NOTYET		DHCP_R_NOTYET		
 #define ISC_R_UNCHANGED		DHCP_R_UNCHANGED		
-#define ISC_R_MULTIPLE		DHCP_R_MULTIPLE		
 #define ISC_R_KEYCONFLICT	DHCP_R_KEYCONFLICT	
 #define ISC_R_BADPARSE		DHCP_R_BADPARSE		
 #define ISC_R_NOKEYS		DHCP_R_NOKEYS