diff --git a/project.properties b/project.properties
deleted file mode 100644
index a2bff5858..000000000
--- a/project.properties
+++ /dev/null
@@ -1,15 +0,0 @@
-# This file is automatically generated by Android Tools.
-# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
-#
-# This file must be checked in Version Control Systems.
-#
-# To customize properties used by the Ant build system edit
-# "ant.properties", and override values to adapt the script to your
-# project structure.
-#
-# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
-#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
-
-# Project target.
-target=android-18
-android.library=false
diff --git a/submodules/belle-sip b/submodules/belle-sip
index e6b7360a5..c30a0d81a 160000
--- a/submodules/belle-sip
+++ b/submodules/belle-sip
@@ -1 +1 @@
-Subproject commit e6b7360a56174adf84bbb3e3c8db302e3eb77f03
+Subproject commit c30a0d81af4e4be06114bbd372467287a97785e1
diff --git a/submodules/linphone b/submodules/linphone
index f0250b5a5..87d4f5f89 160000
--- a/submodules/linphone
+++ b/submodules/linphone
@@ -1 +1 @@
-Subproject commit f0250b5a5fb9cb6a2bbf0432f7b4bb352189dafe
+Subproject commit 87d4f5f895c3f989d250614f0ced324502c900ea