diff --git a/library/core/src/str/lossy.rs b/library/core/src/str/lossy.rs
index 32bd22846e7dd..6ec1c93908fc7 100644
--- a/library/core/src/str/lossy.rs
+++ b/library/core/src/str/lossy.rs
@@ -12,11 +12,6 @@ pub struct Utf8Lossy {
 }
 
 impl Utf8Lossy {
-    #[must_use]
-    pub fn from_str(s: &str) -> &Utf8Lossy {
-        Utf8Lossy::from_bytes(s.as_bytes())
-    }
-
     #[must_use]
     pub fn from_bytes(bytes: &[u8]) -> &Utf8Lossy {
         // SAFETY: Both use the same memory layout, and UTF-8 correctness isn't required.