diff --git a/reader.go b/reader.go
index a646fa7..16fe07e 100644
--- a/reader.go
+++ b/reader.go
@@ -13,7 +13,6 @@ func (err decodeError) Error() string {
 
 var errExcessiveInput = errors.New("brotli: excessive input")
 var errInvalidState = errors.New("brotli: invalid state")
-var errReaderClosed = errors.New("brotli: Reader is closed")
 
 // readBufSize is a "good" buffer size that avoids excessive round-trips
 // between C and Go but doesn't waste too much memory on buffering.