diff --git a/src/services/apt.rs b/src/services/apt.rs
index 612fdf7..8f50570 100644
--- a/src/services/apt.rs
+++ b/src/services/apt.rs
@@ -86,7 +86,7 @@ impl Apt {
         unsafe { apt::aptReturnToMenu() }
     }
 
-    pub fn main_loop(&mut self) -> bool {
+    pub fn main_loop(&self) -> bool {
         unsafe {
             match apt::aptMainLoop() {
                 1 => true,
diff --git a/src/services/hid.rs b/src/services/hid.rs
index a9e7954..1719c32 100644
--- a/src/services/hid.rs
+++ b/src/services/hid.rs
@@ -89,7 +89,7 @@ impl Hid {
         }
     }
 
-    pub fn scan_input(&mut self) {
+    pub fn scan_input(&self) {
         unsafe { hid::hidScanInput() };
     }