diff --git a/connections/core.cc b/connections/core.cc
index 4db1faec..28e8686b 100644
--- a/connections/core.cc
+++ b/connections/core.cc
@@ -233,7 +233,7 @@ void Core::StartAdvertisingV3(absl::string_view service_id,
   ByteArray local_endpoint_info;
   if (local_device.GetType() == NearbyDevice::kConnectionsDevice) {
     local_endpoint_info =
-        ByteArray(dynamic_cast<const v3::ConnectionsDevice&>(local_device)
+        ByteArray(reinterpret_cast<const v3::ConnectionsDevice&>(local_device)
                       .GetEndpointInfo());
   }
   ConnectionRequestInfo old_info = {
@@ -293,7 +293,7 @@ void Core::StartAdvertisingV3(absl::string_view service_id,
   const NearbyDevice* local_device = client_.GetLocalDevice();
   if (local_device->GetType() == NearbyDevice::kConnectionsDevice) {
     local_endpoint_info =
-        ByteArray(dynamic_cast<const v3::ConnectionsDevice*>(local_device)
+        ByteArray(reinterpret_cast<const v3::ConnectionsDevice*>(local_device)
                       ->GetEndpointInfo());
   }
   ConnectionRequestInfo old_info = {
diff --git a/connections/implementation/service_controller_router.cc b/connections/implementation/service_controller_router.cc
index fe2c2d42..fd3aad5d 100644
--- a/connections/implementation/service_controller_router.cc
+++ b/connections/implementation/service_controller_router.cc
@@ -387,7 +387,7 @@ void ServiceControllerRouter::RequestConnectionV3(
         if (v3_info.local_device.GetType() ==
             NearbyDevice::Type::kConnectionsDevice) {
           endpoint_info =
-              dynamic_cast<v3::ConnectionsDevice&>(v3_info.local_device)
+              reinterpret_cast<v3::ConnectionsDevice&>(v3_info.local_device)
                   .GetEndpointInfo();
         }