diff --git a/Config.mk b/Config.mk
index 2a62c219bf..acde711d37 100644
--- a/Config.mk
+++ b/Config.mk
@@ -16,7 +16,7 @@ realpath = $(wildcard $(foreach file,$(1),$(shell cd -P $(dir $(file)) && echo "
 -include $(XEN_ROOT)/.config
 
 # A debug build of Xen and tools?
-debug ?= y
+debug ?= n
 debug_symbols ?= $(debug)
 
 # Test coverage support