diff --git a/.gitmodules b/.gitmodules
index 1adc1677e..d4527eeb8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -111,12 +111,3 @@
 [submodule "submodules/bcmatroska2"]
 	path = submodules/bcmatroska2
 	url = git://git.linphone.org/bcmatroska2.git
-[submodule "submodules/externals/soci"]
-	path = submodules/externals/soci
-	url = git://git.linphone.org/soci
-[submodule "submodules/externals/xerces-c"]
-	path = submodules/externals/xerces-c
-	url = git://git.linphone.org/xerces-c
-[submodule "submodules/externals/libxsd"]
-	path = submodules/externals/libxsd
-	url = git://git.linphone.org/libxsd
diff --git a/submodules/cmake-builder b/submodules/cmake-builder
index 99773d23d..1e93fee2d 160000
--- a/submodules/cmake-builder
+++ b/submodules/cmake-builder
@@ -1 +1 @@
-Subproject commit 99773d23d71b78c75a8b2eb7ec91e7c3a69777f5
+Subproject commit 1e93fee2d0f72adb4e5a0b1ffeb422b84ab64618
diff --git a/submodules/externals/libxsd b/submodules/externals/libxsd
deleted file mode 160000
index 97dfa5b7a..000000000
--- a/submodules/externals/libxsd
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 97dfa5b7af486a2730aa66ef4b2b04259c9ab21b
diff --git a/submodules/externals/soci b/submodules/externals/soci
deleted file mode 160000
index 908c7eb8f..000000000
--- a/submodules/externals/soci
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 908c7eb8f421601e6eb7b77e1131a35bcbe374fa
diff --git a/submodules/externals/xerces-c b/submodules/externals/xerces-c
deleted file mode 160000
index 9c15b9917..000000000
--- a/submodules/externals/xerces-c
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9c15b9917507c584eadace89636b91af27b59b9c