diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/PublicApiHandler.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/PublicApiHandler.scala
index 2fbb1be5..740cc15f 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/PublicApiHandler.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/PublicApiHandler.scala
@@ -29,7 +29,6 @@ import ru.tinkoff.tcb.mockingbird.model.BinaryResponse
 import ru.tinkoff.tcb.mockingbird.model.ByteArray
 import ru.tinkoff.tcb.mockingbird.model.HttpMethod
 import ru.tinkoff.tcb.mockingbird.model.HttpStatusCodeRange
-import ru.tinkoff.tcb.mockingbird.model.HttpStub
 import ru.tinkoff.tcb.mockingbird.model.HttpStubResponse
 import ru.tinkoff.tcb.mockingbird.model.JsonProxyResponse
 import ru.tinkoff.tcb.mockingbird.model.MultipartRequestBody
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequest.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequest.scala
index d410da78..1feb076b 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequest.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequest.scala
@@ -1,7 +1,6 @@
 package ru.tinkoff.tcb.mockingbird.api.request
 
 import eu.timepit.refined.*
-import eu.timepit.refined.auto.*
 import eu.timepit.refined.numeric.*
 import eu.timepit.refined.types.numeric.*
 import eu.timepit.refined.types.string.NonEmptyString
@@ -18,7 +17,6 @@ import ru.tinkoff.tcb.mockingbird.model.GrpcStubResponse
 import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.predicatedsl.Keyword
 import ru.tinkoff.tcb.predicatedsl.json.JsonPredicate
-import ru.tinkoff.tcb.protocol.json.*
 import ru.tinkoff.tcb.protocol.json.given
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequestV4.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequestV4.scala
index 7a410f3e..24ae819e 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequestV4.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateGrpcStubRequestV4.scala
@@ -1,7 +1,6 @@
 package ru.tinkoff.tcb.mockingbird.api.request
 
 import eu.timepit.refined.*
-import eu.timepit.refined.auto.*
 import eu.timepit.refined.numeric.*
 import eu.timepit.refined.types.numeric.*
 import eu.timepit.refined.types.string.NonEmptyString
@@ -18,7 +17,6 @@ import ru.tinkoff.tcb.mockingbird.model.GrpcStubResponse
 import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.predicatedsl.Keyword
 import ru.tinkoff.tcb.predicatedsl.json.JsonPredicate
-import ru.tinkoff.tcb.protocol.json.*
 import ru.tinkoff.tcb.protocol.json.given
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateScenarioRequest.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateScenarioRequest.scala
index 70d5b628..b139dc4e 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateScenarioRequest.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateScenarioRequest.scala
@@ -21,7 +21,6 @@ import ru.tinkoff.tcb.mockingbird.model.ScenarioOutput
 import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.mockingbird.model.SourceConfiguration
 import ru.tinkoff.tcb.predicatedsl.Keyword
-import ru.tinkoff.tcb.protocol.json.*
 import ru.tinkoff.tcb.protocol.json.given
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateStubRequest.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateStubRequest.scala
index aae1c676..5c248e4a 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateStubRequest.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/CreateStubRequest.scala
@@ -22,7 +22,6 @@ import ru.tinkoff.tcb.mockingbird.model.HttpStubRequest
 import ru.tinkoff.tcb.mockingbird.model.HttpStubResponse
 import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.predicatedsl.Keyword
-import ru.tinkoff.tcb.protocol.json.*
 import ru.tinkoff.tcb.protocol.json.given
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateGrpcStubRequestV4.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateGrpcStubRequestV4.scala
index 40aebd15..c99dbf00 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateGrpcStubRequestV4.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateGrpcStubRequestV4.scala
@@ -26,7 +26,6 @@ import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.predicatedsl.Keyword
 import ru.tinkoff.tcb.predicatedsl.json.JsonPredicate
 import ru.tinkoff.tcb.protocol.bson.*
-import ru.tinkoff.tcb.protocol.json.*
 import ru.tinkoff.tcb.protocol.json.given
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateScenarioRequest.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateScenarioRequest.scala
index 177c42b4..3cfecaab 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateScenarioRequest.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateScenarioRequest.scala
@@ -28,7 +28,6 @@ import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.mockingbird.model.SourceConfiguration
 import ru.tinkoff.tcb.predicatedsl.Keyword
 import ru.tinkoff.tcb.protocol.bson.*
-import ru.tinkoff.tcb.protocol.json.*
 import ru.tinkoff.tcb.protocol.json.given
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateStubRequest.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateStubRequest.scala
index 1f0ea91a..e892d828 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateStubRequest.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/api/request/UpdateStubRequest.scala
@@ -29,7 +29,6 @@ import ru.tinkoff.tcb.mockingbird.model.HttpStubResponse
 import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.predicatedsl.Keyword
 import ru.tinkoff.tcb.protocol.bson.*
-import ru.tinkoff.tcb.protocol.json.*
 import ru.tinkoff.tcb.protocol.json.given
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/grpc/GrpcStubResolver.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/grpc/GrpcStubResolver.scala
index 6a0033d3..d87680a2 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/grpc/GrpcStubResolver.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/grpc/GrpcStubResolver.scala
@@ -1,8 +1,6 @@
 package ru.tinkoff.tcb.mockingbird.grpc
 
 import com.google.protobuf.InvalidProtocolBufferException
-import eu.timepit.refined.*
-import eu.timepit.refined.numeric.*
 import io.circe.Json
 import io.circe.ParsingFailure
 import mouse.option.*
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/CallbackRequest.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/CallbackRequest.scala
index 08063574..d4c84617 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/CallbackRequest.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/CallbackRequest.scala
@@ -8,8 +8,6 @@ import io.circe.Decoder
 import io.circe.Encoder
 import io.circe.Json
 import io.circe.derivation.Configuration as CirceConfig
-import io.circe.derivation.ConfiguredDecoder
-import io.circe.derivation.ConfiguredEncoder
 import io.circe.refined.*
 import neotype.*
 import oolong.bson.*
@@ -21,12 +19,11 @@ import sttp.tapir.codec.refined.*
 import sttp.tapir.generic.Configuration as TapirConfig
 
 import ru.tinkoff.tcb.circe.bson.*
-import ru.tinkoff.tcb.protocol.bson.*
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.xml.XMLString
 
 @BsonDiscriminator("mode")
-sealed trait CallbackRequest derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait CallbackRequest derives BsonDecoder, BsonEncoder {
   def url: NonEmptyString
   def method: HttpMethod
   def headers: Map[String, String]
@@ -47,6 +44,10 @@ object CallbackRequest {
     useDefaults = true,
     discriminator = Some("mode")
   )
+
+  given Encoder[CallbackRequest] = Encoder.AsObject.derivedConfigured
+  given Decoder[CallbackRequest] = Decoder.derivedConfigured
+  given Schema[CallbackRequest] = Schema.derived
 }
 
 final case class CallbackRequestWithoutBody(
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/Extractor.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/Extractor.scala
index 26e25610..e60f4add 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/Extractor.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/Extractor.scala
@@ -7,8 +7,6 @@ import io.circe.Decoder
 import io.circe.Encoder
 import io.circe.Json
 import io.circe.derivation.Configuration as CirceConfig
-import io.circe.derivation.ConfiguredDecoder
-import io.circe.derivation.ConfiguredEncoder
 import io.circe.parser.parse
 import oolong.bson.*
 import oolong.bson.annotation.BsonDiscriminator
@@ -22,7 +20,7 @@ import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
 import ru.tinkoff.tcb.xpath.SXpath
 
 @BsonDiscriminator("type")
-sealed trait XmlExtractor derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait XmlExtractor derives BsonDecoder, BsonEncoder {
   def apply(node: NodeSeq): Option[Json]
 }
 object XmlExtractor {
@@ -37,6 +35,10 @@ object XmlExtractor {
     useDefaults = true,
     discriminator = Some("type")
   )
+
+  given Encoder[XmlExtractor] = Encoder.AsObject.derivedConfigured
+  given Decoder[XmlExtractor] = Decoder.derivedConfigured
+  given Schema[XmlExtractor] = Schema.derived
 }
 
 /**
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/GrpcStubResponse.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/GrpcStubResponse.scala
index 3179076e..8193e2c8 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/GrpcStubResponse.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/GrpcStubResponse.scala
@@ -12,8 +12,6 @@ import io.circe.Decoder
 import io.circe.Encoder
 import io.circe.Json
 import io.circe.derivation.Configuration as CirceConfig
-import io.circe.derivation.ConfiguredDecoder
-import io.circe.derivation.ConfiguredEncoder
 import io.circe.refined.*
 import oolong.bson.*
 import oolong.bson.annotation.BsonDiscriminator
@@ -30,7 +28,7 @@ import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JsonOptic
 
 @BsonDiscriminator("mode")
-sealed trait GrpcStubResponse derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait GrpcStubResponse derives BsonDecoder, BsonEncoder {
   def delay: Option[FiniteDuration]
 }
 
@@ -50,6 +48,10 @@ object GrpcStubResponse {
     useDefaults = true,
     discriminator = Some("mode")
   )
+
+  given Encoder[GrpcStubResponse] = Encoder.AsObject.derivedConfigured
+  given Decoder[GrpcStubResponse] = Decoder.derivedConfigured
+  given Schema[GrpcStubResponse] = Schema.derived
 }
 
 final case class FillResponse(
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubRequest.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubRequest.scala
index 3f78340d..a496d094 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubRequest.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubRequest.scala
@@ -9,8 +9,6 @@ import io.circe.Encoder
 import io.circe.Json
 import io.circe.JsonObject
 import io.circe.derivation.Configuration as CirceConfig
-import io.circe.derivation.ConfiguredDecoder
-import io.circe.derivation.ConfiguredEncoder
 import io.circe.parser.parse
 import neotype.*
 import oolong.bson.*
@@ -36,7 +34,7 @@ import ru.tinkoff.tcb.utils.xml.SafeXML
 import ru.tinkoff.tcb.utils.xml.XMLString
 
 @BsonDiscriminator("mode")
-sealed trait HttpStubRequest derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait HttpStubRequest derives BsonDecoder, BsonEncoder {
   def headers: Map[String, String]
 
   def query: Map[JsonOptic, Map[Keyword.Json, Json]]
@@ -80,6 +78,10 @@ object HttpStubRequest {
     useDefaults = true,
     discriminator = Some("mode")
   )
+
+  given Encoder[HttpStubRequest] = Encoder.AsObject.derivedConfigured
+  given Decoder[HttpStubRequest] = Decoder.derivedConfigured
+  given Schema[HttpStubRequest] = Schema.derived
 }
 
 final case class JsonRequest(
@@ -228,7 +230,7 @@ final case class RequestWithAnyBody(
 }
 
 @BsonDiscriminator("mode")
-sealed trait RequestPart derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait RequestPart derives BsonDecoder, BsonEncoder {
   def headers: Map[String, String]
 
   def checkHeaders(hs: Map[String, String]): Boolean =
@@ -266,6 +268,10 @@ object RequestPart {
     useDefaults = true,
     discriminator = Some("mode")
   )
+
+  given Encoder[RequestPart] = Encoder.AsObject.derivedConfigured
+  given Decoder[RequestPart] = Decoder.derivedConfigured
+  given Schema[RequestPart] = Schema.derived
 }
 
 final case class AnyContentPart(headers: Map[String, String]) extends RequestPart {
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubResponse.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubResponse.scala
index 5dfc1a83..dacf4eac 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubResponse.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/HttpStubResponse.scala
@@ -13,8 +13,6 @@ import io.circe.Decoder
 import io.circe.Encoder
 import io.circe.Json
 import io.circe.derivation.Configuration as CirceConfig
-import io.circe.derivation.ConfiguredDecoder
-import io.circe.derivation.ConfiguredEncoder
 import io.circe.refined.*
 import neotype.*
 import oolong.bson.*
@@ -36,7 +34,7 @@ import ru.tinkoff.tcb.utils.xml.XMLString
 import ru.tinkoff.tcb.xpath.SXpath
 
 @BsonDiscriminator("mode")
-sealed trait HttpStubResponse derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait HttpStubResponse derives BsonDecoder, BsonEncoder {
   def delay: Option[FiniteDuration]
   def isTemplate: Boolean
 }
@@ -61,6 +59,10 @@ object HttpStubResponse {
     discriminator = Some("mode")
   )
 
+  given Encoder[HttpStubResponse] = Encoder.AsObject.derivedConfigured
+  given Decoder[HttpStubResponse] = Decoder.derivedConfigured
+  given Schema[HttpStubResponse] = Schema.derived
+
   val headers: Property[HttpStubResponse, Map[String, String]] =
     Vector(
       EmptyResponse.prism >> EmptyResponse.headers,
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ResponseSpec.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ResponseSpec.scala
index e810433e..28b49e02 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ResponseSpec.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ResponseSpec.scala
@@ -23,7 +23,7 @@ import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.xml.SafeXML
 import ru.tinkoff.tcb.utils.xml.XMLString
 
-sealed trait ResponseSpec derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait ResponseSpec derives BsonDecoder, BsonEncoder {
   val code: Option[Int]
   def checkBody(data: String): Boolean
 }
@@ -44,6 +44,10 @@ object ResponseSpec {
     useDefaults = true,
     discriminator = Some("mode")
   )
+
+  given Encoder[ResponseSpec] = Encoder.AsObject.derivedConfigured
+  given Decoder[ResponseSpec] = Decoder.derivedConfigured
+  given Schema[ResponseSpec] = Schema.derived
 }
 
 final case class RawResponseSpec(code: Option[Int], body: Option[String]) extends ResponseSpec {
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioInput.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioInput.scala
index c867fa4b..6bf5ca1b 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioInput.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioInput.scala
@@ -8,8 +8,6 @@ import io.circe.Decoder
 import io.circe.Encoder
 import io.circe.Json
 import io.circe.derivation.Configuration as CirceConfig
-import io.circe.derivation.ConfiguredDecoder
-import io.circe.derivation.ConfiguredEncoder
 import io.circe.parser.parse
 import neotype.*
 import oolong.bson.*
@@ -26,7 +24,7 @@ import ru.tinkoff.tcb.utils.xml.SafeXML
 import ru.tinkoff.tcb.utils.xml.XMLString
 
 @BsonDiscriminator("mode")
-sealed trait ScenarioInput derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait ScenarioInput derives BsonDecoder, BsonEncoder {
   def checkMessage(message: String): Boolean
 
   def extractJson(message: String): Option[Json]
@@ -50,6 +48,10 @@ object ScenarioInput {
     useDefaults = true,
     discriminator = Some("mode")
   )
+
+  given Encoder[ScenarioInput] = Encoder.AsObject.derivedConfigured
+  given Decoder[ScenarioInput] = Decoder.derivedConfigured
+  given Schema[ScenarioInput] = Schema.derived
 }
 
 final case class RawInput(payload: String) extends ScenarioInput {
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioOutput.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioOutput.scala
index 513500b2..4bb809a9 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioOutput.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/model/ScenarioOutput.scala
@@ -7,8 +7,6 @@ import io.circe.Decoder
 import io.circe.Encoder
 import io.circe.Json
 import io.circe.derivation.Configuration as CirceConfig
-import io.circe.derivation.ConfiguredDecoder
-import io.circe.derivation.ConfiguredEncoder
 import neotype.*
 import oolong.bson.*
 import oolong.bson.annotation.BsonDiscriminator
@@ -24,7 +22,7 @@ import ru.tinkoff.tcb.utils.transformation.xml.XmlTransformation
 import ru.tinkoff.tcb.utils.xml.XMLString
 
 @BsonDiscriminator("mode")
-sealed trait ScenarioOutput derives BsonDecoder, BsonEncoder, ConfiguredDecoder, ConfiguredEncoder, Schema {
+sealed trait ScenarioOutput derives BsonDecoder, BsonEncoder {
   def delay: Option[FiniteDuration]
   def isTemplate: Boolean
 }
@@ -43,6 +41,10 @@ object ScenarioOutput {
     useDefaults = true,
     discriminator = Some("mode")
   )
+
+  given Encoder[ScenarioOutput] = Encoder.AsObject.derivedConfigured
+  given Decoder[ScenarioOutput] = Decoder.derivedConfigured
+  given Schema[ScenarioOutput] = Schema.derived
 }
 
 final case class RawOutput(
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioEngine.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioEngine.scala
index ebef13a7..2ecbfcdc 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioEngine.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioEngine.scala
@@ -35,7 +35,6 @@ import ru.tinkoff.tcb.mockingbird.model.JsonOutput
 import ru.tinkoff.tcb.mockingbird.model.MessageCallback
 import ru.tinkoff.tcb.mockingbird.model.PersistentState
 import ru.tinkoff.tcb.mockingbird.model.RawOutput
-import ru.tinkoff.tcb.mockingbird.model.Scenario
 import ru.tinkoff.tcb.mockingbird.model.ScenarioOutput
 import ru.tinkoff.tcb.mockingbird.model.Scope
 import ru.tinkoff.tcb.mockingbird.model.SourceConfiguration
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioResolver.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioResolver.scala
index 9b119b91..60fe2d4b 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioResolver.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/mockingbird/scenario/ScenarioResolver.scala
@@ -2,8 +2,6 @@ package ru.tinkoff.tcb.mockingbird.scenario
 
 import scala.xml.Node
 
-import eu.timepit.refined.*
-import eu.timepit.refined.numeric.*
 import io.circe.Json
 import mouse.option.*
 import oolong.bson.*
diff --git a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/predicatedsl/form/FormPredicate.scala b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/predicatedsl/form/FormPredicate.scala
index d9a86528..1890be8d 100644
--- a/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/predicatedsl/form/FormPredicate.scala
+++ b/backend/mockingbird/src/main/scala/ru/tinkoff/tcb/predicatedsl/form/FormPredicate.scala
@@ -15,7 +15,6 @@ import ru.tinkoff.tcb.generic.RootOptionFields
 import ru.tinkoff.tcb.predicatedsl.Keyword
 import ru.tinkoff.tcb.predicatedsl.PredicateConstructionError
 import ru.tinkoff.tcb.predicatedsl.json.JsonPredicate
-import ru.tinkoff.tcb.protocol.bson.*
 import ru.tinkoff.tcb.protocol.schema.*
 import ru.tinkoff.tcb.utils.circe.optics.JLens
 import ru.tinkoff.tcb.utils.webform.toJson
diff --git a/backend/project/Settings.scala b/backend/project/Settings.scala
index e8afcdd6..99129c05 100644
--- a/backend/project/Settings.scala
+++ b/backend/project/Settings.scala
@@ -42,7 +42,6 @@ object Settings {
       "-language:higherKinds",
       "-language:implicitConversions",
       "-release:11",
-      "-source:3.4",
       "-unchecked",
       "-Xmax-inlines", "64",
       "-Ybackend-parallelism",