diff --git a/app/src/main/kotlin/com/simplemobiletools/draw/pro/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/draw/pro/activities/MainActivity.kt
index c38c6f9..6e1a342 100644
--- a/app/src/main/kotlin/com/simplemobiletools/draw/pro/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/draw/pro/activities/MainActivity.kt
@@ -407,6 +407,8 @@ class MainActivity : SimpleActivity(), CanvasListener {
     }
 
     private fun updateButtonStates() {
+        hideBrushSettings(isEyeDropperOn || isBucketFillOn)
+
         arrayOf(
             eraser to isEraserOn,
             eye_dropper to isEyeDropperOn,
@@ -428,6 +430,12 @@ class MainActivity : SimpleActivity(), CanvasListener {
         }
     }
 
+    private fun hideBrushSettings(hide: Boolean) {
+        arrayOf(stroke_width_bar, stroke_width_preview).forEach {
+            it.beGoneIf(hide)
+        }
+    }
+
     private fun confirmImage() {
         when {
             isEditIntent -> {