Don't set map to nil unnecessarily

1 files changed, 0 insertions, 4 deletions

diff --git a/unxml.go b/unxml.go
index ff04b2d..347b139 100644
--- a/unxml.go
+++ b/unxml.go
@@ -42,8 +42,6 @@ func NewReaderKeepTags(r io.Reader, tagstokeep []string) *Reader {
 		for _, tag := range tagstokeep {
 			tagmap[tag] = true
 		}
-	} else {
-		tagmap = nil
 	}
 
 	return &Reader{reader: r,
@@ -60,8 +58,6 @@ func NewReaderKeepElements(r io.Reader, tagstokeep []string) *ElementReader {
 		for _, tag := range tagstokeep {
 			tagmap[tag] = true
 		}
-	} else {
-		tagmap = nil
 	}
 
 	return &ElementReader{