diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b66aad0..c8593f5a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,8 +33,6 @@ jobs:
           distribution: temurin
           java-version: ${{ env.JAVA_VERSION }}
 
-      - name: Set up Android SDK
-        uses: android-actions/setup-android@v3
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -64,8 +62,6 @@ jobs:
           distribution: temurin
           java-version: ${{ env.JAVA_VERSION }}
 
-      - name: Set up Android SDK
-        uses: android-actions/setup-android@v3
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9e4fe9a4..7965e4af 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -37,8 +37,6 @@ jobs:
           distribution: temurin
           cache: gradle
 
-      - name: Set up Android SDK
-        uses: android-actions/setup-android@v3
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -107,8 +105,6 @@ jobs:
           distribution: temurin
           cache: gradle
 
-      - name: Set up Android SDK
-        uses: android-actions/setup-android@v3
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -214,8 +210,6 @@ jobs:
           distribution: temurin
           cache: gradle
 
-      - name: Set up Android SDK
-        uses: android-actions/setup-android@v3
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
diff --git a/desktopApp/build.gradle.kts b/desktopApp/build.gradle.kts
index 9e2e932a..9c3aa359 100644
--- a/desktopApp/build.gradle.kts
+++ b/desktopApp/build.gradle.kts
@@ -9,8 +9,12 @@ plugins {
 }
 
 kotlin {
-    jvm()
-    
+    jvm {
+        compilerOptions {
+            jvmTarget.set(JvmTarget.JVM_17)
+        }
+    }
+
     sourceSets {
         jvmMain.dependencies {
             implementation(project(":shared"))
diff --git a/shared/build.gradle.kts b/shared/build.gradle.kts
index e8e7aa38..5d038a88 100644
--- a/shared/build.gradle.kts
+++ b/shared/build.gradle.kts
@@ -26,8 +26,12 @@ kotlin {
         }
     }
     
-    jvm()
-    
+    jvm {
+        compilerOptions {
+            jvmTarget.set(JvmTarget.JVM_17)
+        }
+    }
+
     @OptIn(ExperimentalWasmDsl::class)
     wasmJs {
         browser()
diff --git a/shared/src/commonMain/kotlin/ngga/ring/printer_esc_pos/navigation/AppNavigation.kt b/shared/src/commonMain/kotlin/ngga/ring/printer_esc_pos/navigation/AppNavigation.kt
index 7c74eae2..fecadeb4 100644
--- a/shared/src/commonMain/kotlin/ngga/ring/printer_esc_pos/navigation/AppNavigation.kt
+++ b/shared/src/commonMain/kotlin/ngga/ring/printer_esc_pos/navigation/AppNavigation.kt
@@ -1,10 +1,6 @@
 package ngga.ring.printer_esc_pos.navigation
 
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalConfiguration
 import ngga.ring.printer_esc_pos.ui.screens.SetupPrinterScreen
 import ngga.ring.printer_esc_pos.viewmodel.PrinterViewModel