diff --git a/.gitmodules b/.gitmodules
index fa0235b31..a5ff94598 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -38,9 +38,6 @@
 [submodule "submodules/mssilk"]
 	path = submodules/mssilk
 	url = git://git.linphone.org/mssilk.git
-[submodule "submodules/externals/vo-amrwbenc"]
-	path = submodules/externals/vo-amrwbenc
-	url = git://git.linphone.org/vo-amrwbenc.git
 [submodule "submodules/bcg729"]
 	path = submodules/bcg729
 	url = git://git.linphone.org/bcg729.git
diff --git a/prepare.py b/prepare.py
index 1e2316165..357874d3c 100755
--- a/prepare.py
+++ b/prepare.py
@@ -287,6 +287,11 @@ generate-mediastreamer2-apk: java-clean build copy-libs update-mediastreamer2-pr
 \techo "version.name=$(LINPHONE_ANDROID_VERSION)" > default.properties && \\
 \tant debug
 
+quick:
+\tant clean
+\tant debug
+\tant installd
+
 install-apk:
 \tant installd
 
@@ -328,7 +333,6 @@ run-all-tests: update-project
 \tant partial-clean
 \t$(MAKE) -C tests run-all-tests ANT_SILENT=$(ANT_SILENT)
 
-
 pull-transifex:
 \ttx pull -af
 
diff --git a/submodules/externals/vo-amrwbenc b/submodules/externals/vo-amrwbenc
deleted file mode 160000
index 60b925e62..000000000
--- a/submodules/externals/vo-amrwbenc
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 60b925e621fd8d2bd3000207ceb5596a0fa20fb3