diff --git a/src/common/constants.d b/src/common/constants.d
index 8d6376c..d8947c7 100644
--- a/src/common/constants.d
+++ b/src/common/constants.d
@@ -130,7 +130,6 @@ immutable string[] predefinedVersions = [
 	"D_SIMD",
 	"D_SoftFloat",
 	"D_Version2",
-	"D_Warnings",
 	"D_X32",
 	"FreeBSD",
 	"FreeStanding",