diff --git a/HTMLKitTests/HTMLKitParserPerformance.m b/HTMLKitTests/HTMLKitParserPerformance.m
index f4839d0..005282f 100644
--- a/HTMLKitTests/HTMLKitParserPerformance.m
+++ b/HTMLKitTests/HTMLKitParserPerformance.m
@@ -15,6 +15,8 @@
 
 @implementation HTMLKitParserPerformance
 
+#define HTMLKIT_NO_DOM_CHECKS
+
 - (void)testParserPerformance
 {
 	NSString *path = [[NSBundle bundleForClass:self.class] resourcePath];
@@ -28,4 +30,6 @@
 	}];
 }
 
+#undef HTMLKIT_NO_DOM_CHECKS
+
 @end