diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index e2d1e8c..0d0da79 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -29,19 +29,16 @@ android {
             )
         }
     }
+
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
+
     kotlinOptions {
         jvmTarget = "1.8"
     }
-    buildFeatures {
-        compose = true
-    }
-    composeOptions {
-        kotlinCompilerExtensionVersion = "1.5.1"
-    }
+
     packaging {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
@@ -53,11 +50,12 @@ dependencies {
 
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.lifecycle.runtime.ktx)
-    implementation(libs.androidx.material3)
     implementation(libs.androidx.appcompat)
     implementation(libs.material)
     implementation(libs.androidx.activity)
     implementation(libs.androidx.constraintlayout)
+
+//    implementation(libs.androidx.material3)
 //    testImplementation(libs.junit)
 //    androidTestImplementation(libs.androidx.junit)
 //    androidTestImplementation(libs.androidx.espresso.core)
diff --git a/app/src/androidTest/java/kky/flab/lookaround/ExampleInstrumentedTest.kt b/app/src/androidTest/java/kky/flab/lookaround/ExampleInstrumentedTest.kt
deleted file mode 100644
index 6bc6da2..0000000
--- a/app/src/androidTest/java/kky/flab/lookaround/ExampleInstrumentedTest.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-package kky.flab.lookaround
-
-import androidx.test.platform.app.InstrumentationRegistry
-import androidx.test.ext.junit.runners.AndroidJUnit4
-
-import org.junit.Test
-import org.junit.runner.RunWith
-
-import org.junit.Assert.*
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-@RunWith(AndroidJUnit4::class)
-class ExampleInstrumentedTest {
-    @Test
-    fun useAppContext() {
-        // Context of the app under test.
-        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
-        assertEquals("kky.flab.lookaround", appContext.packageName)
-    }
-}
\ No newline at end of file
diff --git a/app/src/test/java/kky/flab/lookaround/ExampleUnitTest.kt b/app/src/test/java/kky/flab/lookaround/ExampleUnitTest.kt
deleted file mode 100644
index 5836573..0000000
--- a/app/src/test/java/kky/flab/lookaround/ExampleUnitTest.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package kky.flab.lookaround
-
-import org.junit.Test
-
-import org.junit.Assert.*
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-class ExampleUnitTest {
-    @Test
-    fun addition_isCorrect() {
-        assertEquals(4, 2 + 2)
-    }
-}
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6d6167c..4d2e58c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -18,13 +18,13 @@ junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
 androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
-androidx-ui = { group = "androidx.compose.ui", name = "ui" }
-androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
-androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
-androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
-androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
-androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
-androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+#androidx-ui = { group = "androidx.compose.ui", name = "ui" }
+#androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+#androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+#androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+#androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+#androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+#androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
 androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
 androidx-activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }