diff --git a/reactos/base/applications/mscutils/eventvwr/eventvwr.rbuild b/reactos/base/applications/mscutils/eventvwr/eventvwr.rbuild
index 9597ce028dc..b9092b44f4d 100644
--- a/reactos/base/applications/mscutils/eventvwr/eventvwr.rbuild
+++ b/reactos/base/applications/mscutils/eventvwr/eventvwr.rbuild
@@ -2,7 +2,6 @@
 <rbuild xmlns:xi="http://www.w3.org/2001/XInclude">
 <module name="eventvwr" type="win32gui" installbase="system32" installname="eventvwr.exe" allowwarnings="true">
 	<include base="eventvwr">.</include>
-	<define name="__REACTOS__" />
 	<define name="_WIN32_IE">0x600</define>
 	<define name="_WIN32_WINNT">0x501</define>
 	<library>kernel32</library>