diff --git a/zephcore/app/CompanionMesh.cpp b/zephcore/app/CompanionMesh.cpp
index b55684d..fee4714 100644
--- a/zephcore/app/CompanionMesh.cpp
+++ b/zephcore/app/CompanionMesh.cpp
@@ -1278,17 +1278,9 @@ uint32_t CompanionMesh::getDirectRetransmitDelay(const mesh::Packet *packet)
 
 uint32_t CompanionMesh::getInitialFloodJitter(const mesh::Packet *packet)
 {
-	float factor = getContentionTracker().getFloodDelayFactor();
-	uint32_t airtime = _radio->getEstAirtimeFor(
-		packet->getPathByteLen() + packet->payload_len + 2);
-	uint32_t max_jitter = (uint32_t)(5 * airtime * factor);
-	/* Companion spreads less aggressively than a repeater: half the
-	 * airtime ceiling, and a tighter absolute cap (1000ms vs 2000ms). */
-	uint32_t airtime_cap = 3 * airtime;
-	if (max_jitter > airtime_cap) max_jitter = airtime_cap;
-	if (max_jitter > 1000) max_jitter = 1000;
-	if (max_jitter == 0) return 0;
-	return getRNG()->nextInt(0, max_jitter + 1);
+	(void)packet;
+	/* Fixed companion origin jitter window: 20..150ms (inclusive). */
+	return 20 + getRNG()->nextInt(0, 131);
 }
 
 uint8_t CompanionMesh::getDutyCyclePercent() const
diff --git a/zephcore/app/CompanionMesh.h b/zephcore/app/CompanionMesh.h
index 04cbdc3..2b0c887 100644
--- a/zephcore/app/CompanionMesh.h
+++ b/zephcore/app/CompanionMesh.h
@@ -247,10 +247,9 @@ protected:
 	uint32_t getRetransmitDelay(const mesh::Packet *packet) override;
 	uint32_t getDirectRetransmitDelay(const mesh::Packet *packet) override;
 
-	/* Companion doesn't forward, but needs surroundings awareness so its
-	 * initial TX spreads with local contention.  Enables passive EMA
-	 * warming and adaptive initial-flood jitter. */
-	bool passivelyTrackFloods() const override { return true; }
+	/* Companion initial flood jitter is fixed-window; passive flood
+	 * tracking is not needed unless forwarding is enabled. */
+	bool passivelyTrackFloods() const override { return false; }
 	uint32_t getInitialFloodJitter(const mesh::Packet *packet) override;
 
 	uint8_t getDutyCyclePercent() const override;