diff --git a/executor/analyze.go b/executor/analyze.go
index a27a97f4af..bdf3a55aee 100644
--- a/executor/analyze.go
+++ b/executor/analyze.go
@@ -52,17 +52,8 @@ const (
 	defaultCMSketchWidth = 2048
 )
 
-// Next implements the Executor Next interface.
-func (e *AnalyzeExec) Next(ctx context.Context) (Row, error) {
-	return nil, errors.Trace(e.run(ctx))
-}
-
 // NextChunk implements the Executor NextChunk interface.
 func (e *AnalyzeExec) NextChunk(ctx context.Context, chk *chunk.Chunk) error {
-	return errors.Trace(e.run(ctx))
-}
-
-func (e *AnalyzeExec) run(ctx context.Context) error {
 	concurrency, err := getBuildStatsConcurrency(e.ctx)
 	if err != nil {
 		return errors.Trace(err)