diff --git a/system/led-matrix-viz.service b/system/led-matrix-viz.service
index 23e6499..3e50767 100644
--- a/system/led-matrix-viz.service
+++ b/system/led-matrix-viz.service
@@ -1,6 +1,6 @@
 [Unit]
 Description=LED Matrix MIDI Visualization
-After=arduino-router.service synth-diagnostic.service
+After=arduino-router.service
 
 [Service]
 User=arduino
diff --git a/system/midi-bridge.service b/system/midi-bridge.service
index eedc3f6..7a68d5d 100644
--- a/system/midi-bridge.service
+++ b/system/midi-bridge.service
@@ -1,6 +1,6 @@
 [Unit]
 Description=MIDI rawmidi → Pd UDP bridge (auto-detects gadget/host)
-After=multi-user.target synth-diagnostic.service
+After=multi-user.target
 
 [Service]
 Type=simple
diff --git a/system/pd-synth-onboard.service b/system/pd-synth-onboard.service
index 1a12cb5..65916da 100644
--- a/system/pd-synth-onboard.service
+++ b/system/pd-synth-onboard.service
@@ -1,6 +1,6 @@
 [Unit]
 Description=Pure Data Synth (Onboard PMIC Audio)
-After=multi-user.target synth-diagnostic.service
+After=multi-user.target
 Wants=midi-bridge.service
 
 [Service]
diff --git a/system/prometheus-exporter.service b/system/prometheus-exporter.service
index 30558fe..53d6daf 100644
--- a/system/prometheus-exporter.service
+++ b/system/prometheus-exporter.service
@@ -1,6 +1,6 @@
 [Unit]
 Description=Prometheus metrics exporter for synth pipeline
-After=multi-user.target synth-diagnostic.service
+After=multi-user.target
 
 [Service]
 Type=simple