diff --git a/externals b/externals
index fc3fd64ee..83d148740 160000
--- a/externals
+++ b/externals
@@ -1 +1 @@
-Subproject commit fc3fd64ee73491dd0c339be5c28ae99520878a07
+Subproject commit 83d1487407bca25edbfb4c2ff03fdd2e59c40273
diff --git a/installer/installbuilder/swift-externals.xml b/installer/installbuilder/swift-externals.xml
index f70195276..d89b5e4c6 100644
--- a/installer/installbuilder/swift-externals.xml
+++ b/installer/installbuilder/swift-externals.xml
@@ -6,7 +6,6 @@
 - vatlib
 - speex
 - speexdsp
-- opus
 - portaudio</detailedDescription>
     <selected>1</selected>
     <show>1</show>
@@ -33,10 +32,6 @@
                     <allowWildcards>1</allowWildcards>
                     <origin>../../dist/bin/*speexdsp*.dll</origin>
                 </distributionFile>
-                <distributionFile>
-                    <allowWildcards>1</allowWildcards>
-                    <origin>../../dist/bin/*opus*.dll</origin>
-                </distributionFile>
                 <distributionFile>
                     <allowWildcards>1</allowWildcards>
                     <origin>../../dist/bin/*swift_crashpad_handler.exe</origin>
@@ -63,10 +58,6 @@
                 <distributionFile>
                     <origin>../../dist/lib/libvatlib.so</origin>
                 </distributionFile>
-                <distributionFile>
-                    <allowWildcards>1</allowWildcards>
-                    <origin>../../dist/lib/libopus.so.*</origin>
-                </distributionFile>
                 <distributionFile>
                     <allowWildcards>1</allowWildcards>
                     <origin>../../dist/lib/libportaudio.so.*</origin>
@@ -83,9 +74,6 @@
             <name>lib_osx</name>
             <platforms>osx</platforms>
             <distributionFileList>
-                <distributionFile>
-                    <origin>../../dist/lib/libopus.0.dylib</origin>
-                </distributionFile>
                 <distributionFile>
                     <origin>../../dist/lib/libportaudio.dylib</origin>
                 </distributionFile>
diff --git a/src/blackcore/vatsim/networkvatlib.cpp b/src/blackcore/vatsim/networkvatlib.cpp
index 393313379..6b050dc60 100644
--- a/src/blackcore/vatsim/networkvatlib.cpp
+++ b/src/blackcore/vatsim/networkvatlib.cpp
@@ -62,7 +62,7 @@
 #include <type_traits>
 
 static_assert(! std::is_abstract<BlackCore::Vatsim::CNetworkVatlib>::value, "Must implement all pure virtuals");
-static_assert(VAT_LIBVATLIB_VERSION == 907, "Wrong vatlib header installed");
+static_assert(VAT_LIBVATLIB_VERSION == 908, "Wrong vatlib header installed");
 
 using namespace BlackConfig;
 using namespace BlackMisc;
@@ -858,13 +858,13 @@ namespace BlackCore
             cbvar_cast(cbvar)->consolidateTextMessage(tm);
         }
 
-        void CNetworkVatlib::onRadioMessageReceived(VatFsdClient *, const char *from, int numFreq, int *freqList, const char *msg, void *cbvar)
+        void CNetworkVatlib::onRadioMessageReceived(VatFsdClient *, const char *from, unsigned int numFreq, int *freqList, const char *msg, void *cbvar)
         {
             auto *self = cbvar_cast(cbvar);
             const int com1 = self->getOwnAircraft().getCom1System().getFrequencyActive().valueInteger(CFrequencyUnit::kHz());
             const int com2 = self->getOwnAircraft().getCom2System().getFrequencyActive().valueInteger(CFrequencyUnit::kHz());
             QList<CFrequency> frequencies;
-            for (int i = 0; i < numFreq; ++i)
+            for (unsigned int i = 0; i < numFreq; ++i)
             {
                 if (freqList[i] == com1 || freqList[i] == com2)
                 {
@@ -1281,7 +1281,7 @@ namespace BlackCore
 
             CInformationMessage atisMessage;
             atisMessage.setType(CInformationMessage::ATIS);
-            for (int i = 0; i < atis->textLineCount; ++i)
+            for (unsigned int i = 0; i < atis->textLineCount; ++i)
             {
                 const QString fixed = cbvar_cast(cbvar)->fromFSD(atis->textLines[i]).trimmed();
                 if (! fixed.isEmpty())
diff --git a/src/blackcore/vatsim/networkvatlib.h b/src/blackcore/vatsim/networkvatlib.h
index 510769206..3f5c34f4b 100644
--- a/src/blackcore/vatsim/networkvatlib.h
+++ b/src/blackcore/vatsim/networkvatlib.h
@@ -149,7 +149,7 @@ namespace BlackCore
             //! @{
             static void onConnectionStatusChanged(VatFsdClient *, VatConnectionStatus oldStatus, VatConnectionStatus newStatus, void *cbvar);
             static void onTextMessageReceived(VatFsdClient *, const char *from, const char *to, const char *msg, void *cbvar);
-            static void onRadioMessageReceived(VatFsdClient *, const char *from, int freqCount, int *freqList, const char *message, void *cbvar);
+            static void onRadioMessageReceived(VatFsdClient *, const char *from, unsigned int freqCount, int *freqList, const char *message, void *cbvar);
             static void onControllerDisconnected(VatFsdClient *, const char *callsign, void *cbvar);
             static void onInterimPilotPositionUpdate(VatFsdClient *, const char *sender, const VatInterimPilotPosition *position, void *cbvar);
             static void onAtcPositionUpdate(VatFsdClient *, const char *callsign, const VatAtcPosition *pos, void *cbvar);