diff --git a/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-default.pa b/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-default.pa
index 667b5400..37c502d5 100644
--- a/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-default.pa
+++ b/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-default.pa
@@ -146,6 +146,6 @@ unload-module module-role-cork
 load-module module-role-ducking
 
 ### Enable Echo/Noise-Cancellation
-load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
-set-default-source echoCancel_source
-set-default-sink echoCancel_sink
+#load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
+#set-default-source echoCancel_source
+#set-default-sink echoCancel_sink
diff --git a/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-system.pa b/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-system.pa
index 4e0c9ffc..da3042af 100644
--- a/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-system.pa
+++ b/buildroot-external/rootfs-overlay/etc/pulse/pulseaudio-system.pa
@@ -68,6 +68,6 @@ unload-module module-role-cork
 load-module module-role-ducking
 
 ### Enable Echo/Noise-Cancellation
-load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
-set-default-source echoCancel_source
-set-default-sink echoCancel_sink
+#load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
+#set-default-source echoCancel_source
+#set-default-sink echoCancel_sink
diff --git a/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-4mic-default.pa b/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-4mic-default.pa
index 706d4c29..7f1de886 100644
--- a/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-4mic-default.pa
+++ b/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-4mic-default.pa
@@ -148,6 +148,6 @@ unload-module module-role-cork
 load-module module-role-ducking
 
 ### Enable Echo/Noise-Cancellation
-load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
-set-default-source echoCancel_source
-set-default-sink echoCancel_sink
+#load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
+#set-default-source echoCancel_source
+#set-default-sink echoCancel_sink
diff --git a/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-8mic-default.pa b/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-8mic-default.pa
index d3330615..ccd4e932 100644
--- a/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-8mic-default.pa
+++ b/buildroot-external/rootfs-overlay/etc/pulse/seeed-voicecard-8mic-default.pa
@@ -148,7 +148,7 @@ unload-module module-role-cork
 load-module module-role-ducking
 
 ### Enable Echo/Noise-Cancellation
-load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
-set-default-source echoCancel_source
-set-default-sink echoCancel_sink
+#load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
+#set-default-source echoCancel_source
+#set-default-sink echoCancel_sink