diff --git a/features/account/impl/src/main/java/com/tangem/features/account/archived/entity/AccountArchivedUM.kt b/features/account/impl/src/main/java/com/tangem/features/account/archived/entity/AccountArchivedUM.kt
index 15c30689e1..42c5faa452 100644
--- a/features/account/impl/src/main/java/com/tangem/features/account/archived/entity/AccountArchivedUM.kt
+++ b/features/account/impl/src/main/java/com/tangem/features/account/archived/entity/AccountArchivedUM.kt
@@ -1,9 +1,11 @@
 package com.tangem.features.account.archived.entity
 
+import androidx.compose.runtime.Immutable
 import com.tangem.common.ui.account.CryptoPortfolioIconUM
 import com.tangem.core.ui.extensions.TextReference
 import kotlinx.collections.immutable.ImmutableList
 
+@Immutable
 internal sealed interface AccountArchivedUM {
     val onCloseClick: () -> Unit
 
diff --git a/features/account/impl/src/main/java/com/tangem/features/account/createedit/entity/AccountCreateEditUM.kt b/features/account/impl/src/main/java/com/tangem/features/account/createedit/entity/AccountCreateEditUM.kt
index c8b95db8c0..52925be89a 100644
--- a/features/account/impl/src/main/java/com/tangem/features/account/createedit/entity/AccountCreateEditUM.kt
+++ b/features/account/impl/src/main/java/com/tangem/features/account/createedit/entity/AccountCreateEditUM.kt
@@ -1,5 +1,6 @@
 package com.tangem.features.account.createedit.entity
 
+import androidx.compose.runtime.Immutable
 import com.tangem.common.ui.account.AccountNameUM
 import com.tangem.common.ui.account.CryptoPortfolioIconUM
 import com.tangem.core.ui.extensions.TextReference
@@ -23,6 +24,7 @@ internal data class AccountCreateEditUM(
         val onNameChange: (AccountNameUM) -> Unit,
     )
 
+    @Immutable
     sealed interface DerivationInfo {
         val text: TextReference
         val index: Int?
diff --git a/features/account/impl/src/main/java/com/tangem/features/account/details/entity/AccountDetailsUM.kt b/features/account/impl/src/main/java/com/tangem/features/account/details/entity/AccountDetailsUM.kt
index 9463b00a81..15fe34025b 100644
--- a/features/account/impl/src/main/java/com/tangem/features/account/details/entity/AccountDetailsUM.kt
+++ b/features/account/impl/src/main/java/com/tangem/features/account/details/entity/AccountDetailsUM.kt
@@ -1,5 +1,6 @@
 package com.tangem.features.account.details.entity
 
+import androidx.compose.runtime.Immutable
 import com.tangem.common.ui.account.CryptoPortfolioIconUM
 import com.tangem.core.ui.extensions.TextReference
 
@@ -13,6 +14,7 @@ internal data class AccountDetailsUM(
     val onManageTokensClick: () -> Unit,
 ) {
 
+    @Immutable
     sealed interface ArchiveMode {
         data object None : ArchiveMode
         data class Available(
diff --git a/features/markets/impl/src/main/kotlin/com/tangem/features/markets/portfolio/impl/ui/state/PortfolioTokenUM.kt b/features/markets/impl/src/main/kotlin/com/tangem/features/markets/portfolio/impl/ui/state/PortfolioTokenUM.kt
index 13e65fff09..b6dd772abc 100644
--- a/features/markets/impl/src/main/kotlin/com/tangem/features/markets/portfolio/impl/ui/state/PortfolioTokenUM.kt
+++ b/features/markets/impl/src/main/kotlin/com/tangem/features/markets/portfolio/impl/ui/state/PortfolioTokenUM.kt
@@ -1,11 +1,13 @@
 package com.tangem.features.markets.portfolio.impl.ui.state
 
+import androidx.compose.runtime.Immutable
 import com.tangem.common.ui.account.AccountTitleUM
 import com.tangem.core.ui.components.token.state.TokenItemState
 import com.tangem.core.ui.extensions.TextReference
 import com.tangem.domain.models.wallet.UserWalletId
 import kotlinx.collections.immutable.ImmutableList
 
+@Immutable
 internal sealed interface PortfolioListItem {
     val id: String
 }
diff --git a/features/nft/impl/src/main/kotlin/com/tangem/features/nft/collections/entity/NFTCollectionUM.kt b/features/nft/impl/src/main/kotlin/com/tangem/features/nft/collections/entity/NFTCollectionUM.kt
index fd859b1c83..9c4f5ad206 100644
--- a/features/nft/impl/src/main/kotlin/com/tangem/features/nft/collections/entity/NFTCollectionUM.kt
+++ b/features/nft/impl/src/main/kotlin/com/tangem/features/nft/collections/entity/NFTCollectionUM.kt
@@ -1,9 +1,11 @@
 package com.tangem.features.nft.collections.entity
 
 import androidx.annotation.DrawableRes
+import androidx.compose.runtime.Immutable
 import com.tangem.common.ui.account.AccountTitleUM
 import com.tangem.core.ui.extensions.TextReference
 
+@Immutable
 internal sealed interface NFTCollectionItem {
     val id: String
 }
diff --git a/features/onramp/impl/src/main/kotlin/com/tangem/features/onramp/hottokens/DefaultHotCryptoComponent.kt b/features/onramp/impl/src/main/kotlin/com/tangem/features/onramp/hottokens/DefaultHotCryptoComponent.kt
index be49d922a7..852c1ae304 100644
--- a/features/onramp/impl/src/main/kotlin/com/tangem/features/onramp/hottokens/DefaultHotCryptoComponent.kt
+++ b/features/onramp/impl/src/main/kotlin/com/tangem/features/onramp/hottokens/DefaultHotCryptoComponent.kt
@@ -6,10 +6,7 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
diff --git a/features/referral/impl/src/main/java/com/tangem/feature/referral/models/ReferralStateHolder.kt b/features/referral/impl/src/main/java/com/tangem/feature/referral/models/ReferralStateHolder.kt
index 9f0a32f146..8b2ef4b83d 100644
--- a/features/referral/impl/src/main/java/com/tangem/feature/referral/models/ReferralStateHolder.kt
+++ b/features/referral/impl/src/main/java/com/tangem/feature/referral/models/ReferralStateHolder.kt
@@ -1,6 +1,7 @@
 package com.tangem.feature.referral.models
 
 import androidx.annotation.DrawableRes
+import androidx.compose.runtime.Immutable
 import com.tangem.common.ui.account.PortfolioSelectUM
 import com.tangem.core.ui.components.token.state.TokenItemState
 import com.tangem.feature.referral.domain.models.ExpectedAwards
@@ -14,6 +15,7 @@ internal data class ReferralStateHolder(
 
     data class HeaderState(val onBackClicked: () -> Unit)
 
+    @Immutable
     sealed interface ReferralInfoContentState {
         val award: String
         val networkName: String
@@ -22,6 +24,7 @@ internal data class ReferralStateHolder(
         val accountAward: AccountAward?
     }
 
+    @Immutable
     sealed interface ReferralInfoState {
         data class ParticipantContent(
             override val award: String,
@@ -49,6 +52,7 @@ internal data class ReferralStateHolder(
         data object Loading : ReferralInfoState
     }
 
+    @Immutable
     data class ErrorSnackbar(
         val throwable: Throwable,
         val onOkClicked: () -> Unit,