diff --git a/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/EvaluatorV1.scala b/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/EvaluatorV1.scala
index 41eba9da3a..386388a194 100644
--- a/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/EvaluatorV1.scala
+++ b/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/EvaluatorV1.scala
@@ -8,7 +8,6 @@ import com.wavesplatform.lang.v1.compiler.Terms.*
 import com.wavesplatform.lang.v1.compiler.Types.{CASETYPEREF, NOTHING}
 import com.wavesplatform.lang.v1.evaluator.ContextfulNativeFunction.{Extended, Simple}
 import com.wavesplatform.lang.v1.evaluator.ctx.*
-import com.wavesplatform.lang.v1.evaluator.ctx.EnabledLogEvaluationContext.Lenses
 import com.wavesplatform.lang.v1.task.imports.*
 import com.wavesplatform.lang.v1.traits.Environment
 import com.wavesplatform.lang.*
@@ -30,8 +29,6 @@ object EvaluatorV1 {
 }
 
 class EvaluatorV1[F[_]: Monad, C[_[_]]](implicit ev: Monad[EvalF[F, *]], ev2: Monad[CoevalF[F, *]]) {
-  private val lenses = new Lenses[F, C]
-  import lenses.*
 
   private def evalLetBlock(let: LET, inner: EXPR): EvalM[F, C, (EvaluationContext[C, F], EVALUATED)] =
     for {
@@ -39,7 +36,9 @@ class EvaluatorV1[F[_]: Monad, C[_[_]]](implicit ev: Monad[EvalF[F, *]], ev2: Mo
       blockEvaluation = evalExpr(let.value)
       lazyBlock       = LazyVal(blockEvaluation.ter(ctx), ctx.l(let.name))
       result <- local {
-        modify[F, EnabledLogEvaluationContext[C, F], ExecutionError](lets.modify(_)(_.updated(let.name, lazyBlock)))
+        modify[F, EnabledLogEvaluationContext[C, F], ExecutionError](ctx1 =>
+          ctx1.copy(ec = ctx1.ec.copy(letDefs = ctx1.ec.letDefs.updated(let.name, lazyBlock)))
+        )
           .flatMap(_ => evalExprWithCtx(inner))
       }
     } yield result
@@ -49,7 +48,9 @@ class EvaluatorV1[F[_]: Monad, C[_[_]]](implicit ev: Monad[EvalF[F, *]], ev2: Mo
     val function = UserFunction(func.name, 0, NOTHING, func.args.map(n => (n, NOTHING))*)(func.body)
       .asInstanceOf[UserFunction[C]]
     local {
-      modify[F, EnabledLogEvaluationContext[C, F], ExecutionError](funcs.modify(_)(_.updated(funcHeader, function)))
+      modify[F, EnabledLogEvaluationContext[C, F], ExecutionError](ctx =>
+        ctx.copy(ec = ctx.ec.copy(functions = ctx.ec.functions.updated(funcHeader, function)))
+      )
         .flatMap(_ => evalExprWithCtx(inner))
     }
   }
@@ -57,7 +58,7 @@ class EvaluatorV1[F[_]: Monad, C[_[_]]](implicit ev: Monad[EvalF[F, *]], ev2: Mo
   private def evalRef(key: String): EvalM[F, C, (EvaluationContext[C, F], EVALUATED)] =
     for {
       ctx <- get[F, EnabledLogEvaluationContext[C, F], ExecutionError]
-      r <- lets.get(ctx).get(key) match {
+      r <- ctx.ec.letDefs.get(key) match {
         case Some(lzy) => liftTER[F, C, EVALUATED](lzy.value)
         case None      => raiseError[F, EnabledLogEvaluationContext[C, F], ExecutionError, EVALUATED](s"A definition of '$key' not found")
       }
@@ -83,8 +84,7 @@ class EvaluatorV1[F[_]: Monad, C[_[_]]](implicit ev: Monad[EvalF[F, *]], ev2: Mo
   private def evalFunctionCall(header: FunctionHeader, args: List[EXPR]): EvalM[F, C, (EvaluationContext[C, F], EVALUATED)] =
     for {
       ctx <- get[F, EnabledLogEvaluationContext[C, F], ExecutionError]
-      result <- funcs
-        .get(ctx)
+      result <- ctx.ec.functions
         .get(header)
         .map {
           case func: UserFunction[C] =>
@@ -94,7 +94,7 @@ class EvaluatorV1[F[_]: Monad, C[_[_]]](implicit ev: Monad[EvalF[F, *]], ev2: Mo
               }
               local {
                 val newState: EvalM[F, C, Unit] =
-                  set[F, EnabledLogEvaluationContext[C, F], ExecutionError](lets.set(ctx)(letDefsWithArgs)).map(_.pure[F])
+                  set[F, EnabledLogEvaluationContext[C, F], ExecutionError](ctx.copy(ec = ctx.ec.copy(letDefs = letDefsWithArgs))).map(_.pure[F])
                 Monad[EvalM[F, C, *]].flatMap(newState)(_ => evalExpr(func.ev(ctx.ec.environment, args)))
               }
             }: EvalM[F, C, EVALUATED]
@@ -118,7 +118,7 @@ class EvaluatorV1[F[_]: Monad, C[_[_]]](implicit ev: Monad[EvalF[F, *]], ev2: Mo
           // no such function, try data constructor
           header match {
             case FunctionHeader.User(typeName, _) =>
-              types.get(ctx).get(typeName).collect { case t @ CASETYPEREF(_, fields, _) =>
+              ctx.ec.typeDefs.get(typeName).collect { case t @ CASETYPEREF(_, fields, _) =>
                 args
                   .traverse[EvalM[F, C, *], EVALUATED](evalExpr)
                   .map(values => CaseObj(t, fields.map(_._1).zip(values).toMap): EVALUATED)
diff --git a/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/ctx/EvaluationContext.scala b/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/ctx/EvaluationContext.scala
index 1013b3bae4..863cbaa99c 100644
--- a/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/ctx/EvaluationContext.scala
+++ b/lang/shared/src/main/scala/com/wavesplatform/lang/v1/evaluator/ctx/EvaluationContext.scala
@@ -8,7 +8,6 @@ import com.wavesplatform.lang.v1.compiler.Terms.LET
 import com.wavesplatform.lang.v1.compiler.Types.FINAL
 import com.wavesplatform.lang.v1.evaluator.Contextful.NoContext
 import com.wavesplatform.lang.v1.evaluator.{Contextful, LetExecResult, LetLogCallback}
-import shapeless.{Lens, lens}
 
 import java.util
 
@@ -51,17 +50,6 @@ case class EnabledLogEvaluationContext[C[_[_]], F[_]: Monad](l: LetLogCallback[F
     loggedLets.computeIfAbsent(let, _ => l(let.name)(result))
 }
 
-object EnabledLogEvaluationContext {
-  class Lenses[F[_]: Monad, C[_[_]]] {
-    val types: Lens[EnabledLogEvaluationContext[C, F], Map[String, FINAL]] =
-      lens[EnabledLogEvaluationContext[C, F]] >> Symbol("ec") >> Symbol("typeDefs")
-    val lets: Lens[EnabledLogEvaluationContext[C, F], Map[String, LazyVal[F]]] =
-      lens[EnabledLogEvaluationContext[C, F]] >> Symbol("ec") >> Symbol("letDefs")
-    val funcs: Lens[EnabledLogEvaluationContext[C, F], Map[FunctionHeader, BaseFunction[C]]] =
-      lens[EnabledLogEvaluationContext[C, F]] >> Symbol("ec") >> Symbol("functions")
-  }
-}
-
 case class DisabledLogEvaluationContext[C[_[_]], F[_]](ec: EvaluationContext[C, F]) extends LoggedEvaluationContext[C, F] {
   override def log(let: LET, result: LetExecResult[F]): Unit = ()
 }