diff --git a/server/src/main/java/com/genymobile/scrcpy/AndroidVersions.java b/server/src/main/java/com/genymobile/scrcpy/AndroidVersions.java
index 98fa6dc3..5303924a 100644
--- a/server/src/main/java/com/genymobile/scrcpy/AndroidVersions.java
+++ b/server/src/main/java/com/genymobile/scrcpy/AndroidVersions.java
@@ -13,7 +13,6 @@ public final class AndroidVersions {
         // not instantiable
     }
 
-    public static final int API_20_ANDROID_4_4 = Build.VERSION_CODES.KITKAT_WATCH;
     public static final int API_21_ANDROID_5_0 = Build.VERSION_CODES.LOLLIPOP;
     public static final int API_22_ANDROID_5_1 = Build.VERSION_CODES.LOLLIPOP_MR1;
     public static final int API_23_ANDROID_6_0 = Build.VERSION_CODES.M;
diff --git a/server/src/main/java/com/genymobile/scrcpy/wrappers/PowerManager.java b/server/src/main/java/com/genymobile/scrcpy/wrappers/PowerManager.java
index 615ceb42..f62e5b8e 100644
--- a/server/src/main/java/com/genymobile/scrcpy/wrappers/PowerManager.java
+++ b/server/src/main/java/com/genymobile/scrcpy/wrappers/PowerManager.java
@@ -1,10 +1,7 @@
 package com.genymobile.scrcpy.wrappers;
 
-import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.util.Ln;
 
-import android.annotation.SuppressLint;
-import android.os.Build;
 import android.os.IInterface;
 
 import java.lang.reflect.Method;
@@ -24,9 +21,7 @@ public final class PowerManager {
 
     private Method getIsScreenOnMethod() throws NoSuchMethodException {
         if (isScreenOnMethod == null) {
-            @SuppressLint("ObsoleteSdkInt") // we may lower minSdkVersion in the future
-            String methodName = Build.VERSION.SDK_INT >= AndroidVersions.API_20_ANDROID_4_4 ? "isInteractive" : "isScreenOn";
-            isScreenOnMethod = manager.getClass().getMethod(methodName);
+            isScreenOnMethod = manager.getClass().getMethod("isInteractive");
         }
         return isScreenOnMethod;
     }