diff --git a/src/FDM/Makefile.am b/src/FDM/Makefile.am
index aaedee216..597e43669 100644
--- a/src/FDM/Makefile.am
+++ b/src/FDM/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS	= Balloon External JSBsim LaRCsim Slew
+SUBDIRS	= Balloon External JSBsim LaRCsim
 
 noinst_LIBRARIES = libFlight.a
 
diff --git a/src/Main/Makefile.am b/src/Main/Makefile.am
index 2ab5caf19..d5c4d6e1c 100644
--- a/src/Main/Makefile.am
+++ b/src/Main/Makefile.am
@@ -39,7 +39,6 @@ fgfs_LDADD = \
 	$(top_builddir)/Simulator/FDM/External/libExternal.a \
 	$(top_builddir)/Simulator/FDM/JSBsim/libJSBsim.a \
 	$(top_builddir)/Simulator/FDM/LaRCsim/libLaRCsim.a \
-	$(top_builddir)/Simulator/FDM/Slew/libSlew.a \
 	$(top_builddir)/Simulator/GUI/libGUI.a \
 	$(top_builddir)/Simulator/Scenery/libScenery.a \
 	$(top_builddir)/Simulator/Airports/libAirports.a \