diff --git a/src/xbus/libxplanemp b/src/xbus/libxplanemp
index 60e6e6cd7..646e67eb7 160000
--- a/src/xbus/libxplanemp
+++ b/src/xbus/libxplanemp
@@ -1 +1 @@
-Subproject commit 60e6e6cd7a42b5cf557d008d7251755c3a3dd543
+Subproject commit 646e67eb7c2762b91237b12363ed3f8c0f0c5461
diff --git a/src/xbus/xbus.pro b/src/xbus/xbus.pro
index 522550efd..b199904e5 100644
--- a/src/xbus/xbus.pro
+++ b/src/xbus/xbus.pro
@@ -34,10 +34,6 @@ SOURCES += $$files(libxplanemp/src/*.cpp)
 HEADERS += $$files(libxplanemp/src/*.h) $$files(libxplanemp/include/*.h)
 INCLUDEPATH += ./libxplanemp ./libxplanemp/include ./libxplanemp/src
 
-# CSLLoaderThread not used, see libxplanemp/README.markdown
-SOURCES -= libxplanemp/src/CSLLoaderThread.cpp
-HEADERS -= libxplanemp/src/CSLLoaderThread.h
-
 # PlatformUtils also not used
 SOURCES -= $$files(libxplanemp/src/PlatformUtils.*.cpp)
 HEADERS -= libxplanemp/src/PlatformUtils.h