diff --git a/cli/src/commands/fmt.rs b/cli/src/commands/fmt.rs
index 131b0cd81..2f716ca60 100644
--- a/cli/src/commands/fmt.rs
+++ b/cli/src/commands/fmt.rs
@@ -8,6 +8,8 @@ use yara_x_fmt::Formatter;
 
 pub fn fmt() -> Command {
     super::command("fmt").about("Format YARA source files")
+        // The `fmt` command is not ready yet.
+        .hide(true)
         .arg(
             arg!(<FILE>)
             .help("Path to YARA source file")