--- a/core/platforms/CMakeLists.txt	2020-02-03 11:13:07.249578448 +0100
+++ b/core/platforms/CMakeLists.txt	2020-02-03 11:13:07.249578448 +0100
@@ -31,8 +31,6 @@
     add_subdirectory(univention)
   elseif(${DISTNAME} STREQUAL hpux)
     message(STATUS "DISTNAME: " ${DISTNAME})
-  else()
-    add_subdirectory(${DISTNAME})
   endif()
 
   if(${systemd})