diff --git a/source/Core/Drivers/FUSB302/protocol_tx.cpp b/source/Core/Drivers/FUSB302/protocol_tx.cpp
index d526151b..686c41d2 100644
--- a/source/Core/Drivers/FUSB302/protocol_tx.cpp
+++ b/source/Core/Drivers/FUSB302/protocol_tx.cpp
@@ -106,11 +106,8 @@ ProtocolTransmit::protocol_tx_state ProtocolTransmit::protocol_tx_construct_mess
   /* PD 3.0 collision avoidance */
   if (PolicyEngine::isPD3_0()) {
     /* If we're starting an AMS, wait for permission to transmit */
-    ProtocolTransmit::Notifications evt = waitForEvent((uint32_t)Notifications::PDB_EVT_PRLTX_START_AMS, 0);
-    if ((uint32_t)evt & (uint32_t)Notifications::PDB_EVT_PRLTX_START_AMS) {
-      while (fusb_get_typec_current() != fusb_sink_tx_ok) {
-        osDelay(1);
-      }
+    while (fusb_get_typec_current() != fusb_sink_tx_ok) {
+      osDelay(1);
     }
   }
   messageSending = true;
diff --git a/source/Core/Drivers/FUSB302/protocol_tx.h b/source/Core/Drivers/FUSB302/protocol_tx.h
index 9c9b3414..1d12e18b 100644
--- a/source/Core/Drivers/FUSB302/protocol_tx.h
+++ b/source/Core/Drivers/FUSB302/protocol_tx.h
@@ -38,7 +38,6 @@ public:
     PDB_EVT_PRLTX_I_RETRYFAIL = EVENT_MASK(2), //
     PDB_EVT_PRLTX_DISCARD     = EVENT_MASK(3), //
     PDB_EVT_PRLTX_MSG_TX      = EVENT_MASK(4), //
-    PDB_EVT_PRLTX_START_AMS   = EVENT_MASK(5), //
   };
   static void notify(Notifications notification);