diff --git a/markdown.go b/markdown.go
index c24d89e..33fb1dd 100644
--- a/markdown.go
+++ b/markdown.go
@@ -96,11 +96,6 @@ func (p *Parser) Markdown(src io.Reader, f Formatter) {
 	f.Finish()
 }
 
-// MarkdownString is like Markdown, but takes a string argument instead of an io.Reader.
-func (p *Parser) MarkdownString(src string, f Formatter) {
-	p.Markdown(strings.NewReader(src), f)
-}
-
 func (p *Parser) parseRule(rule int, s string) (tree *element) {
 	old := p.yy.ResetBuffer(s)
 	if old != "" && strings.Trim(old, "\r\n ") != "" {