# https://github.com/CESNET/libyang/pull/1581
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,8 +35,6 @@ elseif ("${BUILD_TYPE_UPPER}" STREQUAL "ABICHECK")
   set(CMAKE_BUILD_TYPE "ABICheck" CACHE STRING "Build Type" FORCE)
 elseif ("${BUILD_TYPE_UPPER}" STREQUAL "DOCONLY")
   set(CMAKE_BUILD_TYPE "DocOnly" CACHE STRING "Build Type" FORCE)
-else ()
-  message(FATAL_ERROR "Unknown CMAKE_BUILD_TYPE \"${CMAKE_BUILD_TYPE}\".")
 endif ()
 
 # check the supported platform