diff --git a/lib/NGCP/Panel/Role/API/SoundFiles.pm b/lib/NGCP/Panel/Role/API/SoundFiles.pm
index 48bb381fac..6af87a0a33 100644
--- a/lib/NGCP/Panel/Role/API/SoundFiles.pm
+++ b/lib/NGCP/Panel/Role/API/SoundFiles.pm
@@ -24,7 +24,9 @@ sub transcode_data {
         $resource->{data} = NGCP::Panel::Utils::Sounds::transcode_file(
             $filename, uc($from_codec), $resource->{codec},
         );
+        unlink($filename);
     } catch($e) {
+        unlink($filename);
         $c->log->error("failed to transcode file: $e");
         $self->error($c, HTTP_UNPROCESSABLE_ENTITY, "Failed to transcode file");
         return;