diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1c2dcd7..c0df93c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,6 +9,7 @@ jobs:
     working_directory: /go/src/github.com/{{ORG_NAME}}/{{REPO_NAME}}
     steps:
       - checkout
+      - run: apt-get install -y --no-install-recommends libavcodec-dev libavformat-dev libswscale-dev
       - run: cd machinery && go mod download
       - run: cd machinery && go test -v ./...
       - run: cd machinery && go vet
diff --git a/machinery/data/config/config.json b/machinery/data/config/config.json
index c5f20b3..a5da402 100644
--- a/machinery/data/config/config.json
+++ b/machinery/data/config/config.json
@@ -8,7 +8,6 @@
 	"timezone": "Europe/Brussels",
 	"stunuri": "stun:turn.kerberos.io:8443",
 	"turnuri": "turn:turn.kerberos.io:8443",
-	"turn_username": "xxx",
 	"turn_password": "xxx",
 	"capture": {
 		"id": "ipcamera",