diff --git a/demo/java/build.gradle b/demo/java/build.gradle
index 0f532267..038962d7 100644
--- a/demo/java/build.gradle
+++ b/demo/java/build.gradle
@@ -4,9 +4,6 @@ plugins {
 
 repositories {
     mavenCentral()
-    maven {
-        url 'https://s01.oss.sonatype.org/content/repositories/aipicovoice-1351/'
-    }
 }
 
 sourceSets {