diff --git a/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt
index 18c9de09..5a4e62e4 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt
@@ -83,13 +83,9 @@ class AudioActivity : AppCompatActivity() {
 
         aec = binding.Aec
         val aecCv = Config.variable("module")
-        oldAec = aecCv.contains("webrtc_aec.so")
+        oldAec = aecCv.contains("webrtc_aecm.so")
         aec.isChecked = oldAec
 
-        extendedFilter = binding.ExtendedFilter
-        oldExtendedFilter = Config.variable("webrtc_aec_extended_filter")[0] == "yes"
-        extendedFilter.isChecked = oldExtendedFilter
-
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -163,31 +159,21 @@ class AudioActivity : AppCompatActivity() {
                 }
 
                 if (aec.isChecked != oldAec) {
-                    Config.removeLine("module webrtc_aec.so")
+                    Config.removeLine("module webrtc_aecm.so")
                     if (aec.isChecked) {
-                        Config.addModuleLine("module webrtc_aec.so")
-                        if (Api.module_load("webrtc_aec.so") != 0) {
+                        Config.addModuleLine("module webrtc_aecm.so")
+                        if (Api.module_load("webrtc_aecm.so") != 0) {
                             Utils.alertView(this, getString(R.string.error),
                                     getString(R.string.failed_to_load_module))
                             aec.isChecked = false
                             return false
                         }
                     } else {
-                        Api.module_unload("webrtc_aec.so")
+                        Api.module_unload("webrtc_aecm.so")
                     }
                     save = true
                 }
 
-                if (extendedFilter.isChecked != oldExtendedFilter) {
-                    Config.removeVariable("webrtc_aec_extended_filter")
-                    if (extendedFilter.isChecked)
-                        Config.addLine("webrtc_aec_extended_filter yes")
-                    else
-                        Config.addLine("webrtc_aec_extended_filter no")
-                    reload = true
-                    save = true
-                }
-
                 if (save) Config.save()
 
                 if (reload) Api.reload_config()
@@ -232,10 +218,6 @@ class AudioActivity : AppCompatActivity() {
                 Utils.alertView(this, getString(R.string.aec),
                         getString(R.string.aec_help))
             }
-            binding.ExtendedFilterTitle -> {
-                Utils.alertView(this, getString(R.string.aec_extended_filter),
-                        getString(R.string.aec_extended_filter_help))
-            }
         }
     }
 
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Config.kt b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
index bd63e8d5..9127815b 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Config.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
@@ -18,7 +18,7 @@ object Config {
         config = config.replace("webrtc_aec.so", "webrtc_aecm.so")
 
         if (!config.contains(Regex("ausrc_format s16"))) {
-            config = "${config}ausrc_format s16\nauplay_format s16\nauenc_format s16\naudec_format s16\nmodule webrtc_aec.so\n"
+            config = "${config}ausrc_format s16\nauplay_format s16\nauenc_format s16\naudec_format s16\nmodule webrtc_aecm.so\n"
         }
 
         if (config.contains(Regex("#module_app[ ]+mwi.so"))) {
diff --git a/app/src/main/res/layout/activity_audio.xml b/app/src/main/res/layout/activity_audio.xml
index 97e21792..b0159b63 100644
--- a/app/src/main/res/layout/activity_audio.xml
+++ b/app/src/main/res/layout/activity_audio.xml
@@ -123,32 +123,6 @@
             </CheckBox>
         </RelativeLayout>
 
-        <RelativeLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="12dp" >
-            <TextView
-                android:id="@+id/ExtendedFilterTitle"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_alignParentStart="true"
-                android:layout_centerVertical="true"
-                android:layout_toStartOf="@id/ExtendedFilter"
-                android:textSize="18sp"
-                android:onClick="onClick"
-                android:text="@string/aec_extended_filter" >
-            </TextView>
-            <CheckBox
-                android:id="@+id/ExtendedFilter"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_alignParentEnd="true"
-                android:layout_centerVertical="true"
-                android:layout_gravity="end"
-                android:checked="true" >
-            </CheckBox>
-        </RelativeLayout>
-
     </LinearLayout>
 
 </ScrollView>