diff --git a/switchicon/src/main/java/com/github/zagum/switchicon/ReflectionUtils.java b/switchicon/src/main/java/com/github/zagum/switchicon/ReflectionUtils.java
deleted file mode 100644
index 2160b39..0000000
--- a/switchicon/src/main/java/com/github/zagum/switchicon/ReflectionUtils.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package com.github.zagum.switchicon;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-
-public class ReflectionUtils {
-  public static boolean setValue(Object object, String fieldName, Object fieldValue) {
-    Class<?> clazz = object.getClass();
-    while (clazz != null) {
-      try {
-        Field field = clazz.getDeclaredField(fieldName);
-        field.setAccessible(true);
-        field.set(object, fieldValue);
-        return true;
-      } catch (NoSuchFieldException e) {
-        clazz = clazz.getSuperclass();
-      } catch (Exception e) {
-        throw new IllegalStateException(e);
-      }
-    }
-    return false;
-  }
-
-  public static boolean callMethod(Object object, String methodName, Class<?>... params) {
-    Class<?> clazz = object.getClass();
-    while (clazz != null) {
-      try {
-        Method method = clazz.getDeclaredMethod(methodName, params);
-        method.setAccessible(true);
-        method.invoke(object, null);
-        return true;
-      } catch (NoSuchMethodException e) {
-        clazz = clazz.getSuperclass();
-      } catch (Exception e) {
-        throw new IllegalStateException(e);
-      }
-    }
-    return false;
-  }
-}
diff --git a/switchicon/src/main/java/com/github/zagum/switchicon/SwitchIconView.java b/switchicon/src/main/java/com/github/zagum/switchicon/SwitchIconView.java
index 8e4f7f5..df0ad8e 100644
--- a/switchicon/src/main/java/com/github/zagum/switchicon/SwitchIconView.java
+++ b/switchicon/src/main/java/com/github/zagum/switchicon/SwitchIconView.java
@@ -266,23 +266,22 @@ private void updateColor(float fraction) {
 
   private void updateAlpha(float fraction) {
     int alpha = (int) ((disabledStateAlpha + (1f - fraction) * (1f - disabledStateAlpha)) * 255);
-    updateImageAlphaWithoutInvalidate(alpha);
+    updateImageAlpha(alpha);
     dashPaint.setAlpha(alpha);
   }
 
-  private void updateImageAlphaWithoutInvalidate(int alpha) {
-    alpha &= 0xFF;
-    ReflectionUtils.setValue(this, "mAlpha", alpha);
-    ReflectionUtils.setValue(this, "mColorMod", true);
-    Class<?> noParams[] = {};
-    ReflectionUtils.callMethod(this, "applyColorMod", noParams);
-  }
-
   private void updateImageColor(int color) {
     colorFilter = new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN);
-    ReflectionUtils.setValue(this, "mColorFilter", colorFilter);
-    Class<?> noParams[] = {};
-    ReflectionUtils.callMethod(this, "applyColorMod", noParams);
+    setColorFilter(colorFilter);
+  }
+
+  @SuppressWarnings("deprecation")
+  private void updateImageAlpha(int alpha) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+      setImageAlpha(alpha);
+    } else {
+      setAlpha(alpha);
+    }
   }
 
   private void postInvalidateOnAnimationCompat() {