diff --git a/Modules/Platform/Haiku.cmake b/Modules/Platform/Haiku.cmake
index 7e0af6166f..b8e3ba6280 100644
--- a/Modules/Platform/Haiku.cmake
+++ b/Modules/Platform/Haiku.cmake
@@ -1,8 +1,3 @@
-# process only once
-if(HAIKU)
-  return()
-endif()
-
 set(HAIKU 1)
 set(UNIX 1)