diff --git a/atom.go b/atom.go
index 8158efb..79ddffb 100644
--- a/atom.go
+++ b/atom.go
@@ -90,11 +90,7 @@ func isValidMediaType(m string) bool {
 	}
 
 	typeParts := strings.Split(mediaType, "/")
-	if len(typeParts) != 2 || typeParts[0] == "" || typeParts[1] == "" {
-		return false
-	}
-
-	return true
+	return len(typeParts) == 2 && typeParts[0] != "" && typeParts[1] != ""
 }
 
 // isValidLanguageTag checks whether a LanguageTag is valid. It returns a bool.
@@ -105,8 +101,7 @@ func isValidLanguageTag(languageTag string) bool {
 
 // isValidAttribute checks whether an Attribute is valid. It returns a bool.
 func isValidAttribute(attribute string) bool {
-	regex := regexp.MustCompile(`^[a-zA-Z0-9_]+="[^"]*"$`)
-	return regex.MatchString(attribute)
+	return regexp.MustCompile(`^[a-zA-Z0-9_]+="[^"]*"$`).MatchString(attribute)
 }
 
 // NewURN generates an new valid IRI based on a UUID. It returns an IRI.