diff --git a/src/cmd/link/internal/ld/deadcode.go b/src/cmd/link/internal/ld/deadcode.go
index ae516818f5..5d19f407cc 100644
--- a/src/cmd/link/internal/ld/deadcode.go
+++ b/src/cmd/link/internal/ld/deadcode.go
@@ -254,9 +254,7 @@ func (d *deadcodepass) init() {
 				}
 			}
 		}
-		for _, name := range markextra {
-			names = append(names, name)
-		}
+		names = append(names, markextra...)
 		for _, s := range dynexp {
 			d.mark(s, nil)
 		}
diff --git a/src/crypto/tls/common.go b/src/crypto/tls/common.go
index 2ebb37bd40..7e061f4d55 100644
--- a/src/crypto/tls/common.go
+++ b/src/crypto/tls/common.go
@@ -946,9 +946,7 @@ func initDefaultCipherSuites() {
 	}
 
 	varDefaultCipherSuites = make([]uint16, 0, len(cipherSuites))
-	for _, topCipher := range topCipherSuites {
-		varDefaultCipherSuites = append(varDefaultCipherSuites, topCipher)
-	}
+	varDefaultCipherSuites = append(varDefaultCipherSuites, topCipherSuites...)
 
 NextCipherSuite:
 	for _, suite := range cipherSuites {