diff --git a/abci/client/socket_client_test.go b/abci/client/socket_client_test.go
deleted file mode 100644
index 9afcce739..000000000
--- a/abci/client/socket_client_test.go
+++ /dev/null
@@ -1,85 +0,0 @@
-package abciclient_test
-
-import (
-	"context"
-	"fmt"
-	"testing"
-	"time"
-
-	"math/rand"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
-	abciclient "github.com/tendermint/tendermint/abci/client"
-	"github.com/tendermint/tendermint/abci/server"
-	"github.com/tendermint/tendermint/abci/types"
-	"github.com/tendermint/tendermint/libs/log"
-	"github.com/tendermint/tendermint/libs/service"
-)
-
-func TestProperSyncCalls(t *testing.T) {
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	app := slowApp{}
-	logger := log.NewNopLogger()
-
-	_, c := setupClientServer(ctx, t, logger, app)
-
-	resp := make(chan error, 1)
-	go func() {
-		rsp, err := c.FinalizeBlock(ctx, types.RequestFinalizeBlock{})
-		assert.NoError(t, err)
-		assert.NoError(t, c.Flush(ctx))
-		assert.NotNil(t, rsp)
-		select {
-		case <-ctx.Done():
-		case resp <- c.Error():
-		}
-	}()
-
-	select {
-	case <-time.After(time.Second):
-		require.Fail(t, "No response arrived")
-	case err, ok := <-resp:
-		require.True(t, ok, "Must not close channel")
-		assert.NoError(t, err, "This should return success")
-	}
-}
-
-func setupClientServer(
-	ctx context.Context,
-	t *testing.T,
-	logger log.Logger,
-	app types.Application,
-) (service.Service, abciclient.Client) {
-	t.Helper()
-
-	// some port between 20k and 30k
-	port := 20000 + rand.Int31()%10000
-	addr := fmt.Sprintf("localhost:%d", port)
-
-	s, err := server.NewServer(logger, addr, "socket", app)
-	require.NoError(t, err)
-	require.NoError(t, s.Start(ctx))
-	t.Cleanup(s.Wait)
-
-	c := abciclient.NewSocketClient(logger, addr, true)
-	require.NoError(t, c.Start(ctx))
-	t.Cleanup(c.Wait)
-
-	require.True(t, s.IsRunning())
-	require.True(t, c.IsRunning())
-
-	return s, c
-}
-
-type slowApp struct {
-	types.BaseApplication
-}
-
-func (slowApp) FinalizeBlock(req types.RequestFinalizeBlock) types.ResponseFinalizeBlock {
-	time.Sleep(200 * time.Millisecond)
-	return types.ResponseFinalizeBlock{}
-}