diff --git a/build.rs b/build.rs
index 8e51d41..4c2f803 100644
--- a/build.rs
+++ b/build.rs
@@ -66,7 +66,7 @@ fn main() {
 
 	let mut main_chars: Vec<char> =
 		b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzsu0123456789?.,!(){}[]-_=+-/<>'\\ :^*`@#$%&|~;"
-			.into_iter()
+			.iter()
 			.map(|c| *c as char)
 			.collect();
 
diff --git a/src/function_manager.rs b/src/function_manager.rs
index 7faefe1..681ba19 100644
--- a/src/function_manager.rs
+++ b/src/function_manager.rs
@@ -118,7 +118,7 @@ impl FunctionManager {
 			// Only keep valid chars
 			new_string = new_string
 				.chars()
-				.filter(|c| crate::misc::is_valid_char(c))
+				.filter(crate::misc::is_valid_char)
 				.collect::<String>();
 
 			// If not fully open, return here as buttons cannot yet be displayed, therefore the user is inable to mark it for deletion
diff --git a/src/unicode_helper.rs b/src/unicode_helper.rs
index 3e1aef5..a49caea 100644
--- a/src/unicode_helper.rs
+++ b/src/unicode_helper.rs
@@ -3,7 +3,7 @@ pub fn to_unicode_hash(c: char) -> String {
 	c.escape_unicode()
 		.to_string()
 		.replace(r#"\\u{"#, "")
-		.replace("{", "")
-		.replace("}", "")
+		.replace('{', "")
+		.replace('}', "")
 		.to_uppercase()
 }