diff --git a/sc2/build/unix/build.config b/sc2/build/unix/build.config
index 3d9e98b0c..0a8ca0691 100644
--- a/sc2/build/unix/build.config
+++ b/sc2/build/unix/build.config
@@ -362,14 +362,7 @@ uqm_prepare_config()
 		THREADLIB="PTHREAD"
 		use_library pthread
 	}
-	case "$HOST_SYSTEM" in
-		ARMV5|WINSCW|GCCE)
-			CHOICE_threadlib_DEFAULT=pthread
-			;;
-		*)
-			CHOICE_threadlib_DEFAULT=sdl
-			;;
-	esac
+	CHOICE_threadlib_DEFAULT=sdl
 
 	MENU_install_path_ITEMS="install_prefix install_bindir install_libdir \
 			install_sharedir"