diff --git a/src/lib.rs b/src/lib.rs
index 217265b..44338c3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,7 +8,6 @@ extern crate libc;
 
 use libc::{c_char, c_float, c_int, c_uchar};
 use std::borrow::Cow;
-use std::convert::From;
 use std::ffi::CStr;
 use std::mem;
 use std::ptr;
@@ -93,16 +92,6 @@ impl<'a> ImStr<'a> {
     fn as_ptr(&self) -> *const c_char { self.bytes.as_ptr() as *const c_char }
 }
 
-impl<'a> From<&'a str> for ImStr<'a> {
-    fn from(value: &'a str) -> ImStr<'a> {
-        let mut bytes: Vec<u8> = value.bytes().collect();
-        bytes.push(0);
-        ImStr {
-            bytes: Cow::Owned(bytes)
-        }
-    }
-}
-
 impl From<String> for ImStr<'static> {
     fn from(mut value: String) -> ImStr<'static> {
         value.push('\0');