diff --git a/src/shared/Makefile.am b/src/shared/Makefile.am
index 225f4eb4c..d955427af 100644
--- a/src/shared/Makefile.am
+++ b/src/shared/Makefile.am
@@ -40,8 +40,6 @@ libmangosshared_a_SOURCES = \
     Log.h \
     MemoryLeaks.cpp \
     MemoryLeaks.h \
-    Mthread.cpp \
-    Mthread.h \
     ProgressBar.cpp \
     ProgressBar.h \
     Timer.h \