diff --git a/encoding/internal/enctest/enctest.go b/encoding/internal/enctest/enctest.go
index cf5da26..0478616 100644
--- a/encoding/internal/enctest/enctest.go
+++ b/encoding/internal/enctest/enctest.go
@@ -66,7 +66,7 @@
 					// regardless of whatever wPrefix is.
 					continue
 				}
-				got1, want1 := string(g), wPrefix+strings.Repeat(want, n)+wSuffix
+				got1, want1 := g, wPrefix+strings.Repeat(want, n)+wSuffix
 				if got1 != want1 {
 					t.Fatalf("ReadAll: n=%d\ngot  %q\nwant %q",
 						n, trim(got1), trim(want1))
diff --git a/internal/ucd/ucd.go b/internal/ucd/ucd.go
index 0879bc8..13c56c0 100644
--- a/internal/ucd/ucd.go
+++ b/internal/ucd/ucd.go
@@ -317,28 +317,28 @@
 
 // Int parses and returns field i as an integer value.
 func (p *Parser) Int(i int) int {
-	x, err := strconv.ParseInt(string(p.getField(i)), 10, 64)
+	x, err := strconv.ParseInt(p.getField(i), 10, 64)
 	p.setError(err, "error parsing int")
 	return int(x)
 }
 
 // Uint parses and returns field i as an unsigned integer value.
 func (p *Parser) Uint(i int) uint {
-	x, err := strconv.ParseUint(string(p.getField(i)), 10, 64)
+	x, err := strconv.ParseUint(p.getField(i), 10, 64)
 	p.setError(err, "error parsing uint")
 	return uint(x)
 }
 
 // Float parses and returns field i as a decimal value.
 func (p *Parser) Float(i int) float64 {
-	x, err := strconv.ParseFloat(string(p.getField(i)), 64)
+	x, err := strconv.ParseFloat(p.getField(i), 64)
 	p.setError(err, "error parsing float")
 	return x
 }
 
 // String parses and returns field i as a string value.
 func (p *Parser) String(i int) string {
-	return string(p.getField(i))
+	return p.getField(i)
 }
 
 // Strings parses and returns field i as a space-separated list of strings.