diff --git a/configs/defconfig.esp32c6 b/configs/defconfig.esp32c6
index 7770504fc..fc208aecc 100644
--- a/configs/defconfig.esp32c6
+++ b/configs/defconfig.esp32c6
@@ -34,3 +34,6 @@ CONFIG_OPENTHREAD_NETWORK_EXTPANID="dead00beef00cafe"
 CONFIG_OPENTHREAD_NETWORK_MASTERKEY="00112233445566778899aabbccddeeff"
 CONFIG_OPENTHREAD_NETWORK_PSKC="104810e2315100afd6bc9215a6bfac53"
 # end of OpenThread
+
+# Matter shall use only WiFi
+CONFIG_ENABLE_MATTER_OVER_THREAD=n