diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 0253dd6..f011498 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -30,8 +30,8 @@ jobs:
         run: chmod +x gradlew
 
       - name: Run Unit Tests
-        run: ./gradlew test --stacktrace
+        run: ./gradlew test --no-daemon --stacktrace
 
       - name: Build Debug APK
-        run: ./gradlew assembleDebug --stacktrace
+        run: ./gradlew assembleDebug --no-daemon --stacktrace
 
diff --git a/app/src/main/java/com/example/voiceapp/service/VoiceAssistantService.kt b/app/src/main/java/com/example/voiceapp/service/VoiceAssistantService.kt
index 7e1c262..e2038fa 100644
--- a/app/src/main/java/com/example/voiceapp/service/VoiceAssistantService.kt
+++ b/app/src/main/java/com/example/voiceapp/service/VoiceAssistantService.kt
@@ -53,6 +53,7 @@ class VoiceAssistantService : Service() {
         .setPriority(NotificationCompat.PRIORITY_LOW)
         .build()
 
+    @Suppress("DEPRECATION")
     private fun setupMediaSession() {
         mediaSession = MediaSessionCompat(this, "VoiceAssistantMediaSession").apply {
             setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS or MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS)
diff --git a/app/src/main/java/com/example/voiceapp/ui/components/ControlBar.kt b/app/src/main/java/com/example/voiceapp/ui/components/ControlBar.kt
index 7062971..0c854c4 100644
--- a/app/src/main/java/com/example/voiceapp/ui/components/ControlBar.kt
+++ b/app/src/main/java/com/example/voiceapp/ui/components/ControlBar.kt
@@ -7,6 +7,7 @@ import androidx.compose.runtime.Composable
 import com.example.voiceapp.ui.VoiceAppState
 
 @Composable
+@Suppress("UNUSED_PARAMETER")
 fun ControlBar(state: VoiceAppState, onMicClick: () -> Unit, onClearClick: () -> Unit) {
     Row {
         Button(onClick = onMicClick) { Text("マイク") }
diff --git a/gradle.properties b/gradle.properties
index 6b39fb8..3721b7b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,5 +8,9 @@ android.enableJetifier=true
 kapt.incremental.apt=false
 kapt.use.worker.api=false
 
-# JVM options
-org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# Disable daemon and tune JVM memory to prevent container OOM killer from terminating Gradle
+org.gradle.daemon=false
+org.gradle.jvmargs=-Xmx1536m -XX:MaxMetaspaceSize=512m -XX:+UseG1GC -Dfile.encoding=UTF-8
+kotlin.daemon.jvmargs=-Xmx512m -XX:MaxMetaspaceSize=256m
+org.gradle.workers.max=2
+