diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/DateTimePickerDialog.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/DateTimePickerDialog.kt
index fe387f57..d18b2165 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/DateTimePickerDialog.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/DateTimePickerDialog.kt
@@ -153,11 +153,11 @@ fun DatePickerDialog(
 
                 Box(modifier = Modifier
                     .align(Alignment.End)
-                    .padding(DialogButtonsPadding)) {
+                    .padding(_dialogButtonsPadding)) {
 
                     AlertDialogFlowRow(
-                        mainAxisSpacing = DialogButtonsMainAxisSpacing,
-                        crossAxisSpacing = DialogButtonsCrossAxisSpacing
+                        mainAxisSpacing = _dialogButtonsMainAxisSpacing,
+                        crossAxisSpacing = _dialogButtonsCrossAxisSpacing
                     ) {
                         TextButton(
                             onClick = onDismiss
@@ -277,6 +277,6 @@ private fun AlertDialogFlowRow(
     }
 }
 
-private val DialogButtonsPadding by lazy { PaddingValues(bottom = 8.dp, end = 6.dp) }
-private val DialogButtonsMainAxisSpacing by lazy { 8.dp }
-private val DialogButtonsCrossAxisSpacing by lazy { 12.dp }
+private val _dialogButtonsPadding by lazy { PaddingValues(bottom = 8.dp, end = 6.dp) }
+private val _dialogButtonsMainAxisSpacing by lazy { 8.dp }
+private val _dialogButtonsCrossAxisSpacing by lazy { 12.dp }
diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/ModifierExtensions.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/ModifierExtensions.kt
index 6bcd4add..88f6974e 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/ModifierExtensions.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/ModifierExtensions.kt
@@ -46,6 +46,7 @@ fun Modifier.squashable(
     val cornerRadius: Int by animateIntAsState(
         targetValue = if (isPressed) cornerRadiusRange.first else cornerRadiusRange.last,
         animationSpec = tween(easing = FastOutSlowInEasing),
+        label = "Squashed animation"
     )
 
     Modifier
@@ -72,6 +73,7 @@ fun Modifier.squashable(
     val cornerRadius: Dp by animateDpAsState(
         targetValue = if (isPressed) cornerRadiusRange.start else cornerRadiusRange.endInclusive,
         animationSpec = tween(easing = FastOutSlowInEasing),
+        label = "Squashed animation"
     )
 
     Modifier
diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoDrawerSheet.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoDrawerSheet.kt
index 5a134bb5..0adcd7f8 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoDrawerSheet.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoDrawerSheet.kt
@@ -19,7 +19,7 @@
 package com.sadellie.unitto.core.ui.common
 
 import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Divider
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalDrawerSheet
 import androidx.compose.material3.NavigationDrawerItemDefaults
@@ -64,7 +64,7 @@ fun UnittoDrawerSheet(
             )
         }
 
-        Divider(Modifier.padding(28.dp, 16.dp))
+        HorizontalDivider(Modifier.padding(28.dp, 16.dp))
 
         additionalTabs.forEach { drawerItem ->
             val selected = drawerItem.destination.start == currentDestination
diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoListItem.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoListItem.kt
index 25e8d1d2..9d20f730 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoListItem.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoListItem.kt
@@ -18,35 +18,15 @@
 
 package com.sadellie.unitto.core.ui.common
 
-import androidx.compose.animation.core.FastOutSlowInEasing
-import androidx.compose.animation.core.animateFloatAsState
-import androidx.compose.animation.core.tween
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.interaction.MutableInteractionSource
-import androidx.compose.foundation.layout.widthIn
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.ArrowDropDown
 import androidx.compose.material.ripple.rememberRipple
-import androidx.compose.material3.DropdownMenuItem
-import androidx.compose.material3.ExposedDropdownMenuBox
-import androidx.compose.material3.Icon
 import androidx.compose.material3.ListItem
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.OutlinedTextFieldDefaults
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.rotate
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.unit.dp
-import com.sadellie.unitto.core.base.R
 
 /**
  * Represents one item in list on Settings screen.
@@ -83,83 +63,3 @@ fun UnittoListItem(
         }
     )
 }
-
-/**
- * Represents one item in list on Settings screen with drop-down menu.
- *
- * @param label Main text.
- * @param supportText Text that is located below label.
- * @param allOptions Options in drop-down menu. Key is option itself and value is the string that
- * will be shown.
- * @param selected Selected option.
- * @param onSelectedChange Action to perform when drop-down menu item is selected.
- */
-@Composable
-fun <T> UnittoListItem(
-    label: String,
-    supportText: String? = null,
-    allOptions: Map<T, String>,
-    leadingContent: @Composable (() -> Unit)?,
-    selected: T,
-    onSelectedChange: (T) -> Unit
-) {
-    var dropDownExpanded by rememberSaveable { mutableStateOf(false) }
-    var currentOption by rememberSaveable { mutableStateOf(selected) }
-    val dropDownRotation: Float by animateFloatAsState(
-        targetValue = if (dropDownExpanded) 180f else 0f,
-        animationSpec = tween(easing = FastOutSlowInEasing)
-    )
-
-    ListItem(
-        headlineContent = { Text(label) },
-        supportingContent = { supportText?.let { Text(text = it) } },
-        leadingContent = leadingContent,
-        trailingContent = {
-            ExposedDropdownMenuBox(
-                modifier = Modifier,
-                expanded = dropDownExpanded,
-                onExpandedChange = { dropDownExpanded = it }
-            ) {
-                OutlinedTextField(
-                    modifier = Modifier
-                        .menuAnchor()
-                        .widthIn(1.dp),
-                    value = allOptions[currentOption] ?: selected.toString(),
-                    onValueChange = {},
-                    readOnly = true,
-                    singleLine = true,
-                    enabled = false,
-                    textStyle = MaterialTheme.typography.bodyLarge,
-                    colors = OutlinedTextFieldDefaults.colors(
-                        disabledTextColor = MaterialTheme.colorScheme.onSurface,
-                        disabledBorderColor = MaterialTheme.colorScheme.outline,
-                        disabledTrailingIconColor = MaterialTheme.colorScheme.onSurfaceVariant,
-                    ),
-                    trailingIcon = {
-                        Icon(
-                            imageVector = Icons.Outlined.ArrowDropDown,
-                            modifier = Modifier.rotate(dropDownRotation),
-                            contentDescription = stringResource(R.string.drop_down_description)
-                        )
-                    }
-                )
-                ExposedDropdownMenu(
-                    modifier = Modifier.exposedDropdownSize(),
-                    expanded = dropDownExpanded,
-                    onDismissRequest = { dropDownExpanded = false }
-                ) {
-                    allOptions.forEach {
-                        DropdownMenuItem(
-                            text = { Text(it.value) },
-                            onClick = {
-                                currentOption = it.key
-                                onSelectedChange(it.key)
-                                dropDownExpanded = false
-                            }
-                        )
-                    }
-                }
-            }
-        }
-    )
-}
diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSearchBar.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSearchBar.kt
index ef4a6de4..f269649f 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSearchBar.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSearchBar.kt
@@ -70,13 +70,13 @@ fun UnittoSearchBar(
     scrollBehavior: TopAppBarScrollBehavior? = null,
     colors: TopAppBarColors = TopAppBarDefaults.topAppBarColors()
 ) {
-    var showSearch by remember { mutableStateOf(false) }
+    var showSearchInput by remember { mutableStateOf(false) }
     val focusRequester = remember { FocusRequester() }
 
     fun stagedNavigateUp() {
-        if (showSearch) {
+        if (showSearchInput) {
             // Search text field is open, need to close it and clear search query
-            showSearch = false
+            showSearchInput = false
             // focusManager.clearFocus()
             onQueryChange("")
         } else {
@@ -88,8 +88,8 @@ fun UnittoSearchBar(
     TopAppBar(
         modifier = modifier,
         title = {
-            Crossfade(showSearch) { _showSearch ->
-                if (_showSearch) {
+            Crossfade(showSearchInput) { showSearch ->
+                if (showSearch) {
                     LaunchedEffect(Unit) { focusRequester.requestFocus() }
 
                     SearchTextField(
@@ -113,13 +113,13 @@ fun UnittoSearchBar(
             NavigateUpButton { stagedNavigateUp() }
         },
         actions = {
-            Crossfade(showSearch) { _showSearch ->
+            Crossfade(showSearchInput) { showSearch ->
                 Row(verticalAlignment = Alignment.CenterVertically) {
-                    if (_showSearch) {
+                    if (showSearch) {
                         ClearButton(visible = query.isNotEmpty()) { onQueryChange("") }
                         searchActions()
                     } else {
-                        SearchButton { showSearch = true }
+                        SearchButton { showSearchInput = true }
                         noSearchActions()
                     }
                 }
diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSlider.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSlider.kt
index 63b07d3f..d732ea3d 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSlider.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/UnittoSlider.kt
@@ -59,7 +59,8 @@ fun UnittoSlider(
 ) {
     val animated = animateFloatAsState(
         targetValue = value.roundToInt().toFloat(),
-        animationSpec = spring()
+        animationSpec = spring(),
+        label = "Thumb animation"
     )
 
     Slider(
@@ -82,7 +83,11 @@ private fun SquigglyTrack(
 ) {
     val coroutineScope = rememberCoroutineScope()
     var direct by remember { mutableFloatStateOf(0.72f) }
-    val animatedDirect = animateFloatAsState(direct, spring(stiffness = Spring.StiffnessLow))
+    val animatedDirect = animateFloatAsState(
+        targetValue = direct,
+        animationSpec = spring(stiffness = Spring.StiffnessLow),
+        label = "Track animation"
+    )
 
     LaunchedEffect(sliderState.value) {
         coroutineScope.launch {
diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/textfield/FormatterSymbols.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/textfield/FormatterSymbols.kt
index de309dfc..aa9cbaad 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/textfield/FormatterSymbols.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/common/textfield/FormatterSymbols.kt
@@ -21,9 +21,9 @@ package com.sadellie.unitto.core.ui.common.textfield
 import com.sadellie.unitto.core.base.Separator
 
 sealed class FormatterSymbols(val grouping: String, val fractional: String) {
-    object Spaces : FormatterSymbols(" ", ".")
-    object Period : FormatterSymbols(".", ",")
-    object Comma : FormatterSymbols(",", ".")
+    data object Spaces : FormatterSymbols(" ", ".")
+    data object Period : FormatterSymbols(".", ",")
+    data object Comma : FormatterSymbols(",", ".")
 }
 
 object AllFormatterSymbols {
diff --git a/core/ui/src/main/java/com/sadellie/unitto/core/ui/model/DrawerItems.kt b/core/ui/src/main/java/com/sadellie/unitto/core/ui/model/DrawerItems.kt
index 4d6ecde1..5411ae0b 100644
--- a/core/ui/src/main/java/com/sadellie/unitto/core/ui/model/DrawerItems.kt
+++ b/core/ui/src/main/java/com/sadellie/unitto/core/ui/model/DrawerItems.kt
@@ -37,31 +37,31 @@ sealed class DrawerItems(
     val selectedIcon: ImageVector,
     val defaultIcon: ImageVector
 ) {
-    object Calculator : DrawerItems(
+    data object Calculator : DrawerItems(
         destination = TopLevelDestinations.Calculator,
         selectedIcon = Icons.Filled.Calculate,
         defaultIcon = Icons.Outlined.Calculate
     )
 
-    object Converter : DrawerItems(
+    data object Converter : DrawerItems(
         destination = TopLevelDestinations.Converter,
         selectedIcon = Icons.Filled.SwapHoriz,
         defaultIcon = Icons.Outlined.SwapHoriz
     )
 
-    object DateDifference : DrawerItems(
+    data object DateDifference : DrawerItems(
         destination = TopLevelDestinations.DateCalculator,
         selectedIcon = Icons.Filled.Event,
         defaultIcon = Icons.Outlined.Event
     )
 
-    object TimeZones : DrawerItems(
+    data object TimeZones : DrawerItems(
         destination = TopLevelDestinations.TimeZone,
         selectedIcon = Icons.Filled.Schedule,
         defaultIcon = Icons.Outlined.Schedule
     )
 
-    object Settings : DrawerItems(
+    data object Settings : DrawerItems(
         destination = TopLevelDestinations.Settings,
         selectedIcon = Icons.Filled.Settings,
         defaultIcon = Icons.Outlined.Settings
diff --git a/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/CalculatorUIState.kt b/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/CalculatorUIState.kt
index e4f5d499..11f2f056 100644
--- a/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/CalculatorUIState.kt
+++ b/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/CalculatorUIState.kt
@@ -36,6 +36,6 @@ data class CalculatorUIState(
 
 sealed class CalculationResult(@StringRes val label: Int? = null) {
     data class Default(val text: String = "") : CalculationResult()
-    object DivideByZeroError : CalculationResult(R.string.divide_by_zero_error)
-    object Error : CalculationResult(R.string.error_label)
+    data object DivideByZeroError : CalculationResult(R.string.divide_by_zero_error)
+    data object Error : CalculationResult(R.string.error_label)
 }
diff --git a/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/components/CalculatorKeyboard.kt b/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/components/CalculatorKeyboard.kt
index 4599660c..83402bc1 100644
--- a/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/components/CalculatorKeyboard.kt
+++ b/feature/calculator/src/main/java/com/sadellie/unitto/feature/calculator/components/CalculatorKeyboard.kt
@@ -158,7 +158,8 @@ private fun PortraitKeyboard(
     var invMode: Boolean by remember { mutableStateOf(false) }
     val expandRotation: Float by animateFloatAsState(
         targetValue = if (showAdditional) 0f else 180f,
-        animationSpec = tween(easing = FastOutSlowInEasing)
+        animationSpec = tween(easing = FastOutSlowInEasing),
+        label = "Rotate on expand"
     )
 
     ColumnWithConstraints(
diff --git a/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/ConverterUIState.kt b/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/ConverterUIState.kt
index 00458616..4dc6d788 100644
--- a/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/ConverterUIState.kt
+++ b/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/ConverterUIState.kt
@@ -60,6 +60,6 @@ sealed class ConversionResult {
     data class Default(val result: String) : ConversionResult()
     data class Time(val result: String) : ConversionResult()
     data class NumberBase(val result: String) : ConversionResult()
-    object Loading : ConversionResult()
-    object Error : ConversionResult()
+    data object Loading : ConversionResult()
+    data object Error : ConversionResult()
 }
diff --git a/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/components/TopScreen.kt b/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/components/TopScreen.kt
index d2cc56d5..0c5abe2b 100644
--- a/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/components/TopScreen.kt
+++ b/feature/converter/src/main/java/com/sadellie/unitto/feature/converter/components/TopScreen.kt
@@ -103,7 +103,8 @@ internal fun TopScreenPart(
     var swapped by remember { mutableStateOf(false) }
     val swapButtonRotation: Float by animateFloatAsState(
         targetValue = if (swapped) 0f else 180f,
-        animationSpec = tween(easing = FastOutSlowInEasing)
+        animationSpec = tween(easing = FastOutSlowInEasing),
+        label = "Swap button rotation"
     )
     val mContext = LocalContext.current
 
@@ -165,7 +166,8 @@ internal fun TopScreenPart(
                 (expandHorizontally(clip = false, expandFrom = Alignment.Start) + fadeIn()
                         togetherWith fadeOut())
                     .using(SizeTransform(clip = false))
-            }
+            },
+            label = "Animated short name from"
         ) { value ->
             Text(
                 text = value,
@@ -262,7 +264,8 @@ internal fun TopScreenPart(
                         // Exit animation
                         togetherWith fadeOut())
                     .using(SizeTransform(clip = false))
-            }
+            },
+            label = "Animated short label to"
         ) { value ->
             Text(
                 text = value,
diff --git a/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/components/DateTimeSelectorBlock.kt b/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/components/DateTimeSelectorBlock.kt
index 57749083..f9f0a43f 100644
--- a/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/components/DateTimeSelectorBlock.kt
+++ b/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/components/DateTimeSelectorBlock.kt
@@ -73,12 +73,12 @@ internal fun DateTimeSelectorBlock(
         if (DateFormat.is24HourFormat(LocalContext.current)) {
             AnimatedContent(
                 targetState = dateTime.format(UnittoDateTimeFormatter.time24Formatter),
-                label = "date time change",
                 transitionSpec = {
                     slideInVertically { height -> height } + fadeIn() togetherWith
                             slideOutVertically { height -> -height } + fadeOut() using
                             SizeTransform()
-                }
+                },
+                label = "Animated 24 hour",
             ) { time ->
                 Text(
                     modifier = Modifier.clickable(
@@ -105,7 +105,8 @@ internal fun DateTimeSelectorBlock(
                         slideInVertically { height -> height } + fadeIn() togetherWith
                                 slideOutVertically { height -> -height } + fadeOut() using
                                 SizeTransform()
-                    }
+                    },
+                    label = "Animated 12 hour",
                 ) { time ->
                     Text(
                         text = time.format(UnittoDateTimeFormatter.time12Formatter1),
@@ -120,7 +121,8 @@ internal fun DateTimeSelectorBlock(
                         slideInVertically { height -> height } + fadeIn() togetherWith
                                 slideOutVertically { height -> -height } + fadeOut() using
                                 SizeTransform()
-                    }
+                    },
+                    label = "Animated am/pm",
                 ) { time ->
                     Text(
                         text = time.format(UnittoDateTimeFormatter.time12Formatter2),
@@ -137,7 +139,8 @@ internal fun DateTimeSelectorBlock(
                 slideInVertically { height -> height } + fadeIn() togetherWith
                         slideOutVertically { height -> -height } + fadeOut() using
                         SizeTransform()
-            }
+            },
+            label = "Animated date",
         ) { date ->
             Text(
                 modifier = Modifier.clickable(
diff --git a/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/difference/ZonedDateTimeDifference.kt b/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/difference/ZonedDateTimeDifference.kt
index 599f252c..ab4b207b 100644
--- a/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/difference/ZonedDateTimeDifference.kt
+++ b/feature/datecalculator/src/main/java/com/sadellie/unitto/feature/datecalculator/difference/ZonedDateTimeDifference.kt
@@ -42,7 +42,7 @@ internal sealed class ZonedDateTimeDifference(
         minutes = minutes,
     )
 
-    object Zero : ZonedDateTimeDifference()
+    data object Zero : ZonedDateTimeDifference()
 }
 
 // https://stackoverflow.com/a/25760725
diff --git a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/LeftSideScreen.kt b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/LeftSideScreen.kt
index 4befc26d..6df6b26c 100644
--- a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/LeftSideScreen.kt
+++ b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/LeftSideScreen.kt
@@ -82,8 +82,9 @@ internal fun LeftSideScreen(
     }
 
     val chipsBackground = animateColorAsState(
-        if (needToTint) elevatedColor else MaterialTheme.colorScheme.surface,
-        tween(durationMillis = 500, easing = LinearOutSlowInEasing)
+        targetValue =  if (needToTint) elevatedColor else MaterialTheme.colorScheme.surface,
+        animationSpec = tween(durationMillis = 500, easing = LinearOutSlowInEasing),
+        label = "Chips background",
     )
 
     Scaffold(
@@ -99,10 +100,9 @@ internal fun LeftSideScreen(
                     title = stringResource(R.string.units_screen_from),
                     placeholder = stringResource(R.string.search_bar_placeholder),
                     noSearchActions = {
-                        FavoritesButton(
-                            favoritesOnly = uiState.value.favoritesOnly,
-                            favoriteAction = { viewModel.toggleFavoritesOnly(false) }
-                        )
+                        FavoritesButton(uiState.value.favoritesOnly) {
+                            viewModel.toggleFavoritesOnly(false)
+                        }
                     }
                 )
                 ChipsRow(
diff --git a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/RightSideScreen.kt b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/RightSideScreen.kt
index 396d1a2d..30484866 100644
--- a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/RightSideScreen.kt
+++ b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/RightSideScreen.kt
@@ -100,10 +100,9 @@ internal fun RightSideScreen(
                 title = stringResource(R.string.units_screen_to),
                 placeholder = stringResource(R.string.search_bar_placeholder),
                 noSearchActions = {
-                    FavoritesButton(
-                        favoritesOnly = uiState.value.favoritesOnly,
-                        favoriteAction = { viewModel.toggleFavoritesOnly(true) }
-                    )
+                    FavoritesButton(uiState.value.favoritesOnly) {
+                        viewModel.toggleFavoritesOnly(true)
+                    }
                 }
             )
         }
diff --git a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/components/FavoritesButton.kt b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/components/FavoritesButton.kt
index daab4773..51b7fbc7 100644
--- a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/components/FavoritesButton.kt
+++ b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/components/FavoritesButton.kt
@@ -34,15 +34,16 @@ import com.sadellie.unitto.core.base.R
 
 @Composable
 internal fun FavoritesButton(
-    favoritesOnly: Boolean,
-    favoriteAction: () -> Unit
+    state: Boolean,
+    onClick: () -> Unit
 ) {
-    IconButton(onClick = favoriteAction) {
+    IconButton(onClick = onClick) {
         AnimatedContent(
-            targetState = favoritesOnly,
+            targetState = state,
             transitionSpec = {
                 (scaleIn() togetherWith scaleOut()).using(SizeTransform(clip = false))
-            }
+            },
+            label = "Animated click"
         ) {
             Icon(
                 if (it) Icons.Filled.Favorite else Icons.Filled.FavoriteBorder,
diff --git a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/navigation/UnitsListNavigation.kt b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/navigation/UnitsListNavigation.kt
index 9c779305..2fea26fe 100644
--- a/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/navigation/UnitsListNavigation.kt
+++ b/feature/unitslist/src/main/java/com/sadellie/unitto/feature/unitslist/navigation/UnitsListNavigation.kt
@@ -27,18 +27,18 @@ import com.sadellie.unitto.feature.unitslist.LeftSideScreen
 import com.sadellie.unitto.feature.unitslist.RightSideScreen
 import com.sadellie.unitto.feature.unitslist.UnitsListViewModel
 
-const val leftSideRoute = "left_side_route"
-const val rightSideRoute = "right_side_route"
-private const val unitFromIdArg = "unitFromId"
-private const val unitToIdArg = "unitToId"
-private const val inputArg = "input"
+private const val LEFT_SIDE_ROUTE = "LEFT_SIDE_ROUTE"
+private const val RIGHT_SIDE_ROUTE = "RIGHT_SIDE_ROUTE"
+private const val UNIT_FROM_ARG = "UNIT_FROM_ARG"
+private const val UNIT_TO_ARG = "UNIT_FROM_ARG"
+private const val INPUT_ARG = "INPUT_ARG"
 
 fun NavController.navigateToLeftSide(unitFromId: String) {
-    navigate("$leftSideRoute/$unitFromId")
+    navigate("$LEFT_SIDE_ROUTE/$unitFromId")
 }
 
 fun NavController.navigateToRightSide(unitFromId: String, unitToId: String, input: String?) {
-    navigate("$rightSideRoute/$unitFromId/$unitToId/$input")
+    navigate("$RIGHT_SIDE_ROUTE/$unitFromId/$unitToId/$input")
 }
 
 fun NavGraphBuilder.leftScreen(
@@ -48,11 +48,11 @@ fun NavGraphBuilder.leftScreen(
     onSelect: (AbstractUnit) -> Unit
 ) {
     composable(
-        route = "$leftSideRoute/{$unitFromIdArg}"
+        route = "$LEFT_SIDE_ROUTE/{$UNIT_FROM_ARG}"
     ) {
         LeftSideScreen(
             viewModel = viewModel,
-            currentUnitId = it.arguments?.getString(unitFromIdArg),
+            currentUnitId = it.arguments?.getString(UNIT_FROM_ARG),
             navigateUp = navigateUp,
             navigateToSettingsAction = navigateToUnitGroups,
             selectAction = onSelect
@@ -68,11 +68,11 @@ fun NavGraphBuilder.rightScreen(
 
 ) {
     composable(
-        route = "$rightSideRoute/{$unitFromIdArg}/{$unitToIdArg}/{$inputArg}"
+        route = "$RIGHT_SIDE_ROUTE/{$UNIT_FROM_ARG}/{$UNIT_TO_ARG}/{$INPUT_ARG}"
     ) {
-        val unitFromId = it.arguments?.getString(unitFromIdArg) ?: return@composable
-        val unitToId = it.arguments?.getString(unitToIdArg) ?: return@composable
-        val input = it.arguments?.getString(inputArg)
+        val unitFromId = it.arguments?.getString(UNIT_FROM_ARG) ?: return@composable
+        val unitToId = it.arguments?.getString(UNIT_TO_ARG) ?: return@composable
+        val input = it.arguments?.getString(INPUT_ARG)
         viewModel.setSelectedChip(unitFromId, true)
 
         RightSideScreen(