diff --git a/cli/smartcontract/testdata/nameservice/nns.go b/cli/smartcontract/testdata/nameservice/nns.go
index 2b19af793..4c3a76d6f 100644
--- a/cli/smartcontract/testdata/nameservice/nns.go
+++ b/cli/smartcontract/testdata/nameservice/nns.go
@@ -13,6 +13,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"math/big"
+	"unicode/utf8"
 )
 
 // Hash contains contract hash.
diff --git a/cli/smartcontract/testdata/notifications/rpcbindings.out b/cli/smartcontract/testdata/notifications/rpcbindings.out
index aeeb3ccd7..a3717edd8 100644
--- a/cli/smartcontract/testdata/notifications/rpcbindings.out
+++ b/cli/smartcontract/testdata/notifications/rpcbindings.out
@@ -11,6 +11,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"math/big"
+	"unicode/utf8"
 )
 
 // Hash contains contract hash.
diff --git a/pkg/compiler/compiler.go b/pkg/compiler/compiler.go
index 6a711921a..eac2bdced 100644
--- a/pkg/compiler/compiler.go
+++ b/pkg/compiler/compiler.go
@@ -347,8 +347,6 @@ func CompileAndSave(src string, o *Options) ([]byte, error) {
 			eStructName := rpcbinding.ToEventBindingName(e.Name)
 			for _, p := range e.Parameters {
 				pStructName := rpcbinding.ToParameterBindingName(p.Name)
-				// TODO: proper imports handling during bindings generation (see utf8 example).
-				// Probably, we should always add p type to the list of types.
 				if p.ExtendedType != nil {
 					pName := eStructName + "." + pStructName
 					cfg.Types[pName] = *p.ExtendedType
diff --git a/pkg/smartcontract/rpcbinding/binding.go b/pkg/smartcontract/rpcbinding/binding.go
index 074b41c49..a3eab9576 100644
--- a/pkg/smartcontract/rpcbinding/binding.go
+++ b/pkg/smartcontract/rpcbinding/binding.go
@@ -693,8 +693,9 @@ func scTemplateToRPC(cfg binding.Config, ctr ContractTmpl, imports map[string]st
 			)
 			if extType, ok = cfg.Types[fullPName]; !ok {
 				extType = binding.ExtendedType{
-					Base: abiEvent.Parameters[i].Type, // TODO: properly handle imports for this case (see utf8 example)
+					Base: abiEvent.Parameters[i].Type,
 				}
+				addETImports(extType, ctr.NamedTypes, imports)
 			}
 			eTmp.Parameters = append(eTmp.Parameters, EventParamTmpl{
 				ParamTmpl: binding.ParamTmpl{