diff --git a/plugins/aja/aja-common.cpp b/plugins/aja/aja-common.cpp
index 51f2f779a..0047dae5c 100644
--- a/plugins/aja/aja-common.cpp
+++ b/plugins/aja/aja-common.cpp
@@ -201,7 +201,8 @@ void populate_pixel_format_list(NTV2DeviceID deviceID, obs_property_t *list)
 	}
 }
 
-void populate_sdi_transport_list(obs_property_t *list, IOSelection io,
+void populate_sdi_transport_list(obs_property_t *list,
+				 IOSelection io OBS_UNUSED,
 				 NTV2DeviceID deviceID, bool capture)
 {
 	if (capture) {
@@ -1019,7 +1020,7 @@ inline bool IsStandard1080p(NTV2Standard standard)
 	return false;
 }
 
-VPIDStandard DetermineVPIDStandard(NTV2DeviceID id, IOSelection io,
+VPIDStandard DetermineVPIDStandard(NTV2DeviceID id OBS_UNUSED, IOSelection io,
 				   NTV2VideoFormat vf, NTV2PixelFormat pf,
 				   SDITransport trx, SDITransport4K t4k)
 {