diff --git a/feature-account-impl/src/main/java/io/novafoundation/nova/feature_account_impl/data/extrinsic/RealExtrinsicService.kt b/feature-account-impl/src/main/java/io/novafoundation/nova/feature_account_impl/data/extrinsic/RealExtrinsicService.kt
index b59e96f..6d83546 100644
--- a/feature-account-impl/src/main/java/io/novafoundation/nova/feature_account_impl/data/extrinsic/RealExtrinsicService.kt
+++ b/feature-account-impl/src/main/java/io/novafoundation/nova/feature_account_impl/data/extrinsic/RealExtrinsicService.kt
@@ -369,9 +369,11 @@ class RealExtrinsicService(
                 val hasMultiSignature = typeRegistry["MultiSignature"] != null
                 val hasMultiAddress = typeRegistry["MultiAddress"] != null
                 val hasAddress = typeRegistry["Address"] != null
-                Log.e("RealExtrinsicService",
+                Log.e(
+                    "RealExtrinsicService",
                     "Types: ExtrinsicSig=$hasExtrinsicSignature, MultiSig=$hasMultiSignature, " +
-                    "MultiAddress=$hasMultiAddress, Address=$hasAddress")
+                        "MultiAddress=$hasMultiAddress, Address=$hasAddress"
+                )
 
                 // Check extrinsic extensions
                 val signedExtensions = runtime.metadata.extrinsic.signedExtensions.map { it.id }
diff --git a/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/metadata/MetadataShortenerService.kt b/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/metadata/MetadataShortenerService.kt
index 98244be..4090800 100644
--- a/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/metadata/MetadataShortenerService.kt
+++ b/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/metadata/MetadataShortenerService.kt
@@ -173,7 +173,11 @@ internal class RealMetadataShortenerService(
         val atLeastMinimumVersion = runtimeMetadata.metadataVersion >= MINIMUM_METADATA_VERSION_TO_CALCULATE_HASH
         val hasSignedExtension = runtimeMetadata.extrinsic.hasSignedExtension(DefaultSignedExtensions.CHECK_METADATA_HASH)
 
-        Log.d("MetadataShortenerService", "Chain: ${chain.name}, disabledByConfig=$disabledByConfig, canBeEnabled=$canBeEnabled, atLeastMinimumVersion=$atLeastMinimumVersion, hasSignedExtension=$hasSignedExtension")
+        Log.d(
+            "MetadataShortenerService",
+            "Chain: ${chain.name}, disabledByConfig=$disabledByConfig, canBeEnabled=$canBeEnabled, " +
+                "atLeastMinimumVersion=$atLeastMinimumVersion, hasSignedExtension=$hasSignedExtension"
+        )
         Log.d("MetadataShortenerService", "chain.additional: ${chain.additional}, disabledCheckMetadataHash=${chain.additional?.disabledCheckMetadataHash}")
 
         val result = canBeEnabled && atLeastMinimumVersion && hasSignedExtension
diff --git a/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/BizinikiwSr25519Signer.kt b/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/BizinikiwSr25519Signer.kt
index 0f1681c..13bcf30 100644
--- a/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/BizinikiwSr25519Signer.kt
+++ b/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/BizinikiwSr25519Signer.kt
@@ -1,6 +1,5 @@
 package io.novafoundation.nova.runtime.extrinsic.signer
 
-import org.bouncycastle.jcajce.provider.digest.Keccak
 import java.math.BigInteger
 import java.nio.ByteBuffer
 import java.nio.ByteOrder
diff --git a/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/PezkuwiKeyPairSigner.kt b/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/PezkuwiKeyPairSigner.kt
index 3da9637..a5b161c 100644
--- a/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/PezkuwiKeyPairSigner.kt
+++ b/runtime/src/main/java/io/novafoundation/nova/runtime/extrinsic/signer/PezkuwiKeyPairSigner.kt
@@ -3,7 +3,6 @@ package io.novafoundation.nova.runtime.extrinsic.signer
 import android.util.Log
 import io.novafoundation.nova.sr25519.BizinikiwSr25519
 import io.novasama.substrate_sdk_android.encrypt.SignatureWrapper
-import io.novasama.substrate_sdk_android.encrypt.keypair.Keypair
 import io.novasama.substrate_sdk_android.runtime.AccountId
 import io.novasama.substrate_sdk_android.runtime.extrinsic.signer.SignedRaw
 import io.novasama.substrate_sdk_android.runtime.extrinsic.signer.SignerPayloadRaw