diff --git a/src/util/pattern.rs b/src/util/pattern.rs
index 877e08d..b4ee045 100644
--- a/src/util/pattern.rs
+++ b/src/util/pattern.rs
@@ -41,7 +41,7 @@ impl<'a> Pattern<'a> for Value {
     fn execute(&self, values: &'a mut RwLockWriteGuard<'_, [RawColor; crate::LED_SIZE]>) {
         let mut v = *values;
         for i in 0..crate::LED_SIZE {
-            let mut color: RawColor = v[i];
+            let color: RawColor = v[i];
             if self.r.is_some() {
                 color[0] = self.r.unwrap();   
             }
@@ -97,7 +97,7 @@ impl<'a> Pattern<'a> for Value {
     }
 }
 
-pub fn parse_line(v: Vec<String>) -> Result<Box<dyn Pattern<'_>>, ParseError> {
+pub fn parse_line(v: Vec<String>) -> Result<Box<dyn Pattern<'static>>, ParseError> {
     let res: Result<Box<dyn Pattern>, ParseError> = v.try_into();
     res
 }