diff --git a/util.go b/util.go
index 2a08074bc..d08ed4621 100644
--- a/util.go
+++ b/util.go
@@ -174,10 +174,7 @@ func parseSizeInBytes(sizeStr string) uint {
 		}
 	}
 
-	size := cast.ToInt(sizeStr)
-	if size < 0 {
-		size = 0
-	}
+	size := max(cast.ToInt(sizeStr), 0)
 
 	return safeMul(uint(size), multiplier)
 }
diff --git a/viper.go b/viper.go
index e4bdda042..26daf171e 100644
--- a/viper.go
+++ b/viper.go
@@ -637,7 +637,7 @@ func (v *Viper) isPathShadowedInDeepMap(path []string, m map[string]any) string
 //	"foo.bar.baz" in a lower-priority map
 func (v *Viper) isPathShadowedInFlatMap(path []string, mi any) string {
 	// unify input map
-	var m map[string]interface{}
+	var m map[string]any
 	switch miv := mi.(type) {
 	case map[string]string:
 		m = castMapStringToMapInterface(miv)
@@ -1001,8 +1001,8 @@ func stringToWeakSliceHookFunc(sep string) mapstructure.DecodeHookFunc {
 	return func(
 		f reflect.Type,
 		t reflect.Type,
-		data interface{},
-	) (interface{}, error) {
+		data any,
+	) (any, error) {
 		if f.Kind() != reflect.String || t.Kind() != reflect.Slice {
 			return data, nil
 		}