diff --git a/.gitmodules b/.gitmodules
index a4b6296fe22..ccce846dfdd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,21 +7,12 @@
 [submodule "thirdparty/kitware/vtk/cmake"]
 	path = thirdparty/kitware/vtk/cmake
 	url = ../cmake.git
-[submodule "thirdparty/fsf/autoconf"]
-	path = thirdparty/fsf/autoconf
-	url = ../autoconf.git
 [submodule "thirdparty/norman/dvi2bitmap/dvi2bitmap"]
 	path = thirdparty/norman/dvi2bitmap/dvi2bitmap
 	url = ../dvi2bitmap.git
-[submodule "thirdparty/fsf/automake"]
-	path = thirdparty/fsf/automake
-	url = ../automake.git
 [submodule "thirdparty/eso/skycat/skycat"]
 	path = thirdparty/eso/skycat/skycat
 	url = ../skycat.git
-[submodule "thirdparty/fsf/libtool"]
-	path = thirdparty/fsf/libtool
-	url = ../libtool.git
 [submodule "thirdparty/perlsys/perl/perl"]
 	path = thirdparty/perlsys/perl/perl
 	url = git://github.com/Perl/perl5.git
diff --git a/thirdparty/fsf/autoconf b/thirdparty/fsf/autoconf
deleted file mode 160000
index 3d4a6f94cc5..00000000000
--- a/thirdparty/fsf/autoconf
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3d4a6f94cc5eb7e0b2d817be844ccac3aaa03e17
diff --git a/thirdparty/fsf/automake b/thirdparty/fsf/automake
deleted file mode 160000
index bae3544e294..00000000000
--- a/thirdparty/fsf/automake
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit bae3544e294d570332dc227d53dc8b0786095966
diff --git a/thirdparty/fsf/libtool b/thirdparty/fsf/libtool
deleted file mode 160000
index 5d6638dfb68..00000000000
--- a/thirdparty/fsf/libtool
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5d6638dfb687eca7d39e500d081e87aba947cfe2