diff --git a/rostests/winetests/CMakeLists.txt b/rostests/winetests/CMakeLists.txt
index fb89f46541b..195194d96f6 100644
--- a/rostests/winetests/CMakeLists.txt
+++ b/rostests/winetests/CMakeLists.txt
@@ -1,6 +1,4 @@
 
-add_definitions(-D__WINESRC__)
-
 add_subdirectory(advapi32)
 add_subdirectory(advpack)
 add_subdirectory(amstream)