diff --git a/reactos/config b/reactos/config
index 89b47afd28b..e12b11f269b 100644
--- a/reactos/config
+++ b/reactos/config
@@ -30,7 +30,7 @@ DBG := 0
 #
 # Whether to compile with optimizations
 #
-OPTIMIZED := 0
+OPTIMIZED := 1
 
 #
 # Whether to compile a multiprocessor or single processor version
@@ -45,7 +45,7 @@ ACPI := 0
 #
 # whether to use a 3GB User, 1GB Kernel memory map
 #
-3GB := 1
+3GB := 0
 
 #
 # Which version of NDIS do we support up to?
diff --git a/reactos/lib/rtl/i386/exception.c b/reactos/lib/rtl/i386/exception.c
index 9d179a0db08..b9563f40fea 100644
--- a/reactos/lib/rtl/i386/exception.c
+++ b/reactos/lib/rtl/i386/exception.c
@@ -13,7 +13,7 @@
 #include <windows.h>
 #include <string.h>
 
-//#define NDEBUG
+#define NDEBUG
 #include <debug.h>
 
 /* FUNCTIONS ***************************************************************/