diff --git a/lib/trie/readwriter_mock_test.go b/lib/trie/readwriter_mock_test.go
deleted file mode 100644
index 6d1affa2882..00000000000
--- a/lib/trie/readwriter_mock_test.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Code generated by MockGen. DO NOT EDIT.
-// Source: io (interfaces: ReadWriter)
-
-// Package trie is a generated GoMock package.
-package trie
-
-import (
-	reflect "reflect"
-
-	gomock "github.com/golang/mock/gomock"
-)
-
-// MockReadWriter is a mock of ReadWriter interface.
-type MockReadWriter struct {
-	ctrl     *gomock.Controller
-	recorder *MockReadWriterMockRecorder
-}
-
-// MockReadWriterMockRecorder is the mock recorder for MockReadWriter.
-type MockReadWriterMockRecorder struct {
-	mock *MockReadWriter
-}
-
-// NewMockReadWriter creates a new mock instance.
-func NewMockReadWriter(ctrl *gomock.Controller) *MockReadWriter {
-	mock := &MockReadWriter{ctrl: ctrl}
-	mock.recorder = &MockReadWriterMockRecorder{mock}
-	return mock
-}
-
-// EXPECT returns an object that allows the caller to indicate expected use.
-func (m *MockReadWriter) EXPECT() *MockReadWriterMockRecorder {
-	return m.recorder
-}
-
-// Read mocks base method.
-func (m *MockReadWriter) Read(arg0 []byte) (int, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Read", arg0)
-	ret0, _ := ret[0].(int)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// Read indicates an expected call of Read.
-func (mr *MockReadWriterMockRecorder) Read(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Read", reflect.TypeOf((*MockReadWriter)(nil).Read), arg0)
-}
-
-// Write mocks base method.
-func (m *MockReadWriter) Write(arg0 []byte) (int, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Write", arg0)
-	ret0, _ := ret[0].(int)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// Write indicates an expected call of Write.
-func (mr *MockReadWriterMockRecorder) Write(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Write", reflect.TypeOf((*MockReadWriter)(nil).Write), arg0)
-}
diff --git a/lib/trie/writer_mock_test.go b/lib/trie/writer_mock_test.go
deleted file mode 100644
index b1009272f26..00000000000
--- a/lib/trie/writer_mock_test.go
+++ /dev/null
@@ -1,49 +0,0 @@
-// Code generated by MockGen. DO NOT EDIT.
-// Source: io (interfaces: Writer)
-
-// Package trie is a generated GoMock package.
-package trie
-
-import (
-	reflect "reflect"
-
-	gomock "github.com/golang/mock/gomock"
-)
-
-// MockWriter is a mock of Writer interface.
-type MockWriter struct {
-	ctrl     *gomock.Controller
-	recorder *MockWriterMockRecorder
-}
-
-// MockWriterMockRecorder is the mock recorder for MockWriter.
-type MockWriterMockRecorder struct {
-	mock *MockWriter
-}
-
-// NewMockWriter creates a new mock instance.
-func NewMockWriter(ctrl *gomock.Controller) *MockWriter {
-	mock := &MockWriter{ctrl: ctrl}
-	mock.recorder = &MockWriterMockRecorder{mock}
-	return mock
-}
-
-// EXPECT returns an object that allows the caller to indicate expected use.
-func (m *MockWriter) EXPECT() *MockWriterMockRecorder {
-	return m.recorder
-}
-
-// Write mocks base method.
-func (m *MockWriter) Write(arg0 []byte) (int, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Write", arg0)
-	ret0, _ := ret[0].(int)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// Write indicates an expected call of Write.
-func (mr *MockWriterMockRecorder) Write(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Write", reflect.TypeOf((*MockWriter)(nil).Write), arg0)
-}