diff --git a/data-flow-diagram.md b/data-flow-diagram.md
index 6e7eea1e..83cb9e74 100644
--- a/data-flow-diagram.md
+++ b/data-flow-diagram.md
@@ -30,22 +30,18 @@ graph TB
     SIM --> EMQ
     SIM --> MOS
     SIM --> BUN
+    SIM --> FRO
     SENS --> EMQ
     SENS --> MOS
     SENS --> BUN
+    SENS --> FRO
     SENS -.-> ORM
     EMQ -->|via EMQX| ORI
     EMQ -->|via EMQX| STE
-    EMQ -->|via EMQX| FRO
-    EMQ --> ORM
     MOS -->|via Mosquitto| ORI
     MOS -->|via Mosquitto| STE
-    MOS -->|via Mosquitto| FRO
-    MOS --> ORM
     BUN -->|via BunkerM| ORI
     BUN -->|via BunkerM| STE
-    BUN -->|via BunkerM| FRO
-    BUN --> ORM
     UI --> ORM
     ORM -.-> KC
     SIM --> INF
@@ -61,7 +57,7 @@ graph TB
     ORI -.-> PRO
     STE -.-> PRO
     ORM -.-> PRO
-```
+    ORM -.-> PRO
 
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