diff --git a/README.md b/README.md
index 9dcd232..07cad85 100644
--- a/README.md
+++ b/README.md
@@ -327,6 +327,12 @@ when configured with the `theme-file-name` which is a `yaml` file,
 
 Check [Theme file content](#theme-file-content) for details.
 
+### Filename coloring
+
+`lsd` use both [LS_COLORS](https://github.com/trapd00r/LS_COLORS) and this theme feature to
+colorize the filename, `lsd` will use the color and format option defined in `LS_COLORS`,
+and then the theme configurations if no `LS_COLOR` are found.
+
 ### Theme file content
 
 Theme file use the [crossterm](https://crates.io/crates/crossterm)
diff --git a/src/flags/icons.rs b/src/flags/icons.rs
index 77217d0..78d0fc6 100644
--- a/src/flags/icons.rs
+++ b/src/flags/icons.rs
@@ -100,8 +100,6 @@ pub enum IconTheme {
     Fancy,
 }
 
-impl IconTheme {}
-
 impl Configurable<Self> for IconTheme {
     /// Get a potential `IconTheme` variant from [ArgMatches].
     ///