diff --git a/app/src/main/java/com/github/braillesystems/learnbraille/ui/Messages.kt b/app/src/main/java/com/github/braillesystems/learnbraille/ui/Messages.kt
index c1da70e0..6e9626c9 100644
--- a/app/src/main/java/com/github/braillesystems/learnbraille/ui/Messages.kt
+++ b/app/src/main/java/com/github/braillesystems/learnbraille/ui/Messages.kt
@@ -16,11 +16,6 @@ fun Fragment.showCorrectToast() = toast(getString(R.string.input_correct))
 fun Fragment.showIncorrectToast(hint: String = "") =
     toast("${getString(R.string.input_incorrect)} $hint")
 
-fun Fragment.announceCorrect() = announce(getString(R.string.input_correct))
-
-fun Fragment.announceIncorrect(hint: String = "") =
-    announce("${getString(R.string.input_incorrect)} $hint")
-
 fun Fragment.dotsMode(mode: BrailleDotsViewMode): String =
     when (mode) {
         BrailleDotsViewMode.Writing -> getString(R.string.braille_dots_mode_writing)
diff --git a/app/src/main/java/com/github/braillesystems/learnbraille/ui/screens/practice/CardFragment.kt b/app/src/main/java/com/github/braillesystems/learnbraille/ui/screens/practice/CardFragment.kt
index 632fb72f..9fe86d35 100644
--- a/app/src/main/java/com/github/braillesystems/learnbraille/ui/screens/practice/CardFragment.kt
+++ b/app/src/main/java/com/github/braillesystems/learnbraille/ui/screens/practice/CardFragment.kt
@@ -1,13 +1,10 @@
 package com.github.braillesystems.learnbraille.ui.screens.practice
 
-import android.animation.ArgbEvaluator
-import android.animation.ObjectAnimator
 import android.os.Bundle
 import android.os.Vibrator
 import android.view.*
 import android.widget.Button
 import android.widget.TextView
-import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.content.ContextCompat
 import androidx.core.content.getSystemService
 import androidx.databinding.DataBindingUtil
@@ -20,8 +17,8 @@ import com.github.braillesystems.learnbraille.databinding.FragmentCardBinding
 import com.github.braillesystems.learnbraille.res.captionRules
 import com.github.braillesystems.learnbraille.res.deckTagToName
 import com.github.braillesystems.learnbraille.res.inputMarkerPrintRules
-import com.github.braillesystems.learnbraille.ui.announceCorrect
-import com.github.braillesystems.learnbraille.ui.announceIncorrect
+import com.github.braillesystems.learnbraille.utils.announceCorrect
+import com.github.braillesystems.learnbraille.utils.announceIncorrect
 import com.github.braillesystems.learnbraille.ui.brailletrainer.BrailleTrainer
 import com.github.braillesystems.learnbraille.ui.brailletrainer.BrailleTrainerSignalHandler
 import com.github.braillesystems.learnbraille.ui.inputPrint
@@ -29,7 +26,6 @@ import com.github.braillesystems.learnbraille.ui.screens.*
 import com.github.braillesystems.learnbraille.ui.showHintToast
 import com.github.braillesystems.learnbraille.ui.views.*
 import com.github.braillesystems.learnbraille.utils.*
-import com.google.android.material.button.MaterialButton
 import org.koin.android.ext.android.inject
 import org.koin.core.parameter.parametersOf
 import timber.log.Timber
diff --git a/app/src/main/java/com/github/braillesystems/learnbraille/utils/Utils.kt b/app/src/main/java/com/github/braillesystems/learnbraille/utils/Utils.kt
index e401b0ca..cb1f3801 100644
--- a/app/src/main/java/com/github/braillesystems/learnbraille/utils/Utils.kt
+++ b/app/src/main/java/com/github/braillesystems/learnbraille/utils/Utils.kt
@@ -72,6 +72,10 @@ fun Fragment.checkedAnnounce(
     announce(announcement)
 }
 
+fun Fragment.announceCorrect() = announce(getString(R.string.input_correct))
+
+fun Fragment.announceIncorrect(hint: String = "") =
+    announce("${getString(R.string.input_incorrect)} $hint")
 
 val Fragment.actionBar: ActionBar?
     get() = (activity as AppCompatActivity).supportActionBar
@@ -92,7 +96,7 @@ fun Fragment.updateTitle(title: String) {
     this.title = title
 }
 
-fun animateView(obj: View?, colorFrom: Int?, colorTo: Int?){
+fun animateView(obj: View?, colorFrom: Int?, colorTo: Int?) {
     val duration = 1000
     ObjectAnimator
         .ofObject(obj, "backgroundColor", ArgbEvaluator(), colorFrom, colorTo, colorFrom)
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 721cb503..ef1b10bb 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -150,6 +150,7 @@
     <string name="deck_name_markers">Специальные символы</string>
     <string name="deck_name_math">Математические символы</string>
 
+    <!-- TODO #278 correct help messages after un-setting dots background -->
 
     <string name="practice_help">
         <![CDATA[