diff --git a/src/add-ons/kernel/drivers/network/ipro1000/dev/em/Jamfile b/src/add-ons/kernel/drivers/network/ipro1000/dev/em/Jamfile
index 5511caf34f..28a88f566c 100644
--- a/src/add-ons/kernel/drivers/network/ipro1000/dev/em/Jamfile
+++ b/src/add-ons/kernel/drivers/network/ipro1000/dev/em/Jamfile
@@ -5,7 +5,7 @@ UsePrivateHeaders kernel net ;
 UseHeaders [ FDirName $(SUBDIR) .. .. ] : true ;
 UseHeaders [ FDirName $(HAIKU_TOP) src libs compat freebsd_network compat ] : true ;
 
-SubDirCcFlags [ FDefines _KERNEL=1 FBSD_DRIVER=1 EM_FAST_INTR=1 DBG=1 ] ;
+SubDirCcFlags [ FDefines _KERNEL=1 FBSD_DRIVER=1 EM_FAST_INTR=1 ] ;
 
 KernelAddon e1000 :
 	if_em.c