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@@ -33,7 +33,9 @@
   ###   4.1. [RF-over-Fiber Link Overview](./4-signal-transport/4.1)
   ###   4.2. [Transmitter Design](./4-signal-transport/4.2)
   ###   4.3. [Receiver Design](./4-signal-transport/4.3)
+<!---
   ### &emsp; 4.4. [Link Performance](./4-signal-transport/4.4)
+-->
 
 ## 5.  Digital Back End Design
   ### &emsp; 5.1. [Back End Capabilities and Specifications](./5-dbe/5.1)