diff --git a/radioconfig.proto b/radioconfig.proto
index 85f9d8b..389f246 100644
--- a/radioconfig.proto
+++ b/radioconfig.proto
@@ -413,13 +413,6 @@ message RadioConfig {
      */
     uint32 phone_timeout_secs = 6;
 
-    /*
-     * Power management state machine option.
-     * See [power management](/docs/software/other/power) for details.
-     * 0 for default of two hours, MAXUINT for disabled
-     */
-    uint32 phone_sds_timeout_sec = 7;
-
     /*
      * Power management state machine option.
      * See [power management](/docs/software/other/power) for details.