diff --git a/imgui/src/text_filter.rs b/imgui/src/text_filter.rs
index eaf86b8..b64ebf9 100644
--- a/imgui/src/text_filter.rs
+++ b/imgui/src/text_filter.rs
@@ -17,8 +17,7 @@ impl TextFilter {
     }
 
     /// Creates a new TextFilter with a custom filter.
-    pub fn new_with_filter(label: String, filter: String) -> Self {
-        let mut filter = filter.clone();
+    pub fn new_with_filter(label: String, mut filter: String) -> Self {
         filter.push('\0');
         let ptr = filter.as_mut_ptr();
         Self {