diff --git a/src/uu/printf/src/tokenize/num_format/formatter.rs b/src/uu/printf/src/tokenize/num_format/formatter.rs
index 0438f78bf..790c338ae 100644
--- a/src/uu/printf/src/tokenize/num_format/formatter.rs
+++ b/src/uu/printf/src/tokenize/num_format/formatter.rs
@@ -11,6 +11,7 @@ use super::format_field::FormatField;
 // output for a number, organized together
 // to allow for easy generalization of output manipulation
 // (e.g. max number of digits after decimal)
+#[derive(Default)]
 pub struct FormatPrimitive {
     pub prefix: Option<String>,
     pub pre_decimal: Option<String>,
@@ -18,17 +19,6 @@ pub struct FormatPrimitive {
     pub suffix: Option<String>,
 }
 
-impl Default for FormatPrimitive {
-    fn default() -> FormatPrimitive {
-        FormatPrimitive {
-            prefix: None,
-            pre_decimal: None,
-            post_decimal: None,
-            suffix: None,
-        }
-    }
-}
-
 #[derive(Clone, PartialEq)]
 pub enum Base {
     Ten = 10,