diff --git a/Jenkinsfile b/Jenkinsfile
index 631991f..174d186 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -15,6 +15,7 @@ pipeline {
     agent none
     environment {
         DEBUG = "1"
+        HEADLESS = "1"
     }
     options { buildDiscarder logRotator(numToKeepStr: '4') }
     stages {
@@ -40,7 +41,7 @@ pipeline {
                 axes {
                     axis { 
                         name 'COMP_OPTS'; 
-                        values 'OPT=0 LTO=OFF STATIC=OFF', 'OPT=2 LTO=OFF STATIC=ON', 'OPT=3 LTO=ON STATIC=ON PGO=ON'
+                        values 'OPT=0 LTO=OFF STATIC=OFF', 'OPT=2 LTO=OFF', 'PGO=ON'
                     }
                 }
                 stages {
@@ -61,7 +62,7 @@ pipeline {
                     axis { name 'DISTRO'; values 'ubuntu', 'fedora', 'debian', 'archlinux' }
                     axis { 
                         name 'COMP_OPTS'; 
-                        values 'OPT=0 LTO=OFF STATIC=OFF', 'OPT=2 LTO=OFF STATIC=ON', 'OPT=3 LTO=ON STATIC=ON PGO=ON'
+                        values 'OPT=0 LTO=OFF STATIC=OFF', 'OPT=2 LTO=OFF', 'PGO=ON'
                     }
                 }
                 stages {
diff --git a/lib/0-utils.sh b/lib/0-utils.sh
index 8bf5aae..9b496ca 100644
--- a/lib/0-utils.sh
+++ b/lib/0-utils.sh
@@ -357,6 +357,9 @@ spinner() {
     start)
         test -f "${spinPidFile}" && rm "${spinPidFile}"
 
+        # don't want to clutter logs if running headless
+        test "${HEADLESS}" == '1' && return
+
         _start_spinner &
         echo $! >"${spinPidFile}"
         ;;
diff --git a/lib/compile_opts.sh b/lib/compile_opts.sh
index f74cc02..c8872d8 100644
--- a/lib/compile_opts.sh
+++ b/lib/compile_opts.sh
@@ -41,7 +41,6 @@ libx264 \
 libx265 \
 libwebp \
 libvpx \
-libass \
 libvorbis \
 libmp3lame\
 "
diff --git a/lib/docker.sh b/lib/docker.sh
index 92c4d61..ef5ae67 100644
--- a/lib/docker.sh
+++ b/lib/docker.sh
@@ -19,6 +19,7 @@ set_docker_run_flags() {
         -v "${REPO_DIR}:${REPO_DIR}"
         -w "${REPO_DIR}"
         -e "DEBUG=${DEBUG}"
+        -e "HEADLESS=${HEADLESS}"
         -t
     )
     for opt in "${FB_COMP_OPTS[@]}"; do