diff --git a/submodules/externals/exosip b/submodules/externals/exosip
deleted file mode 160000
index ea5d69281..000000000
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-Subproject commit ea5d692816953ac506464a53238f2103cda8cfee
diff --git a/submodules/externals/libantlr3c b/submodules/externals/libantlr3c
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index eb738fb40..000000000
--- a/submodules/externals/libantlr3c
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-Subproject commit eb738fb406d2b75e7e94457da800c38d8bfc3c71
diff --git a/submodules/externals/osip b/submodules/externals/osip
deleted file mode 160000
index 7e98a3379..000000000
--- a/submodules/externals/osip
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-Subproject commit 7e98a3379280307811ed4ad67a95fbf73ba5bbb6