Index: data/io.github.htkhiem.Euphonica.gschema.xml
--- data/io.github.htkhiem.Euphonica.gschema.xml.orig
+++ data/io.github.htkhiem.Euphonica.gschema.xml
@@ -17,7 +17,6 @@
 	</enum>
 
 	<enum id="io.github.htkhiem.Euphonica.pcmsource">
-		<value nick="pipewire" value="1"/>
 		<value nick="fifo" value="0"/>
 	</enum>
 
@@ -92,7 +91,7 @@
 		</key>
 
 		<key name="mpd-visualizer-pcm-source" enum='io.github.htkhiem.Euphonica.pcmsource'>
-			<default>'pipewire'</default>
+			<default>'fifo'</default>
 		</key>
 
 		<key name="mpd-fifo-path" type="s">
@@ -295,7 +294,7 @@
 			<default>'percents'</default>
 		</key>
 		<key name="use-visualizer" type="b">
-			<default>true</default>
+			<default>false</default>
 		</key>
 		<key name="visualizer-use-cairo" type="b">
 			<default>true</default>
