diff --git a/crates/efi/src/boot.rs b/crates/efi/src/boot.rs
index 9b52da0..253cbcc 100644
--- a/crates/efi/src/boot.rs
+++ b/crates/efi/src/boot.rs
@@ -109,7 +109,7 @@ impl BootServices {
     }
 
     pub fn locate_protocol<T: Protocol>(&self) -> Result<&'static mut T, Status> {
-        let guid = <T as Protocol>::guid();
+        let guid = &<T as Protocol>::GUID;
         let mut proto_ptr: *mut c_void = core::ptr::null_mut();
 
         match Status::from_num(unsafe {
diff --git a/crates/efi/src/proto/gop.rs b/crates/efi/src/proto/gop.rs
index ccf6777..9fc4c8a 100644
--- a/crates/efi/src/proto/gop.rs
+++ b/crates/efi/src/proto/gop.rs
@@ -2,13 +2,6 @@ use crate::{Status, Guid};
 use crate::proto::Protocol;
 use core::ffi::c_void;
 
-const GRAPHICS_OUTPUT_PROTOCOL_GUID: Guid = Guid {
-    data1:  0x9042a9de,
-    data2:  0x23dc,
-    data3:  0x4a38,
-    data4:  [0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a]
-};
-
 #[repr(C)]
 pub struct Mode {
     pub max_mode:           u32,
@@ -62,9 +55,12 @@ pub struct ModeIterator<'a> {
 }
 
 impl Protocol for GraphicsOutputProtocol {
-    fn guid() -> &'static Guid {
-        return &GRAPHICS_OUTPUT_PROTOCOL_GUID;
-    }
+    const GUID: Guid = Guid {
+        data1:  0x9042a9de,
+        data2:  0x23dc,
+        data3:  0x4a38,
+        data4:  [0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a]
+    };
 }
 
 impl GraphicsOutputProtocol {
diff --git a/crates/efi/src/proto/mod.rs b/crates/efi/src/proto/mod.rs
index 61cc1c0..b97e269 100644
--- a/crates/efi/src/proto/mod.rs
+++ b/crates/efi/src/proto/mod.rs
@@ -3,7 +3,8 @@ pub mod stip;
 pub mod gop;
 
 pub trait Protocol {
-    fn guid() -> &'static super::Guid;
+    const GUID: super::Guid;
+    //fn guid() -> &'static super::Guid;
 }
 
 pub use stop::SimpleTextOutputProtocol;
diff --git a/crates/efi/src/proto/stip.rs b/crates/efi/src/proto/stip.rs
index 959f11f..0fda514 100644
--- a/crates/efi/src/proto/stip.rs
+++ b/crates/efi/src/proto/stip.rs
@@ -1,5 +1,4 @@
-use crate::{Status, Guid, Event, system_table};
-use core::ffi::c_void;
+use crate::{Status, Guid, Protocol, Event, system_table};
 
 #[repr(C)]
 #[derive(Debug)]
@@ -15,6 +14,15 @@ pub struct SimpleTextInputProtocol {
     wait_for_key:       Event
 }
 
+impl Protocol for SimpleTextInputProtocol {
+    const GUID: Guid = Guid {
+        data1: 0x387477c1,
+        data2: 0x69c7,
+        data3: 0x11d2,
+        data4: [0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]
+    };
+}
+
 impl SimpleTextInputProtocol {
     pub fn reset(&mut self, extended_verification: bool) -> Result<(), Status> {
         return Status::from_num(unsafe {
@@ -23,7 +31,7 @@ impl SimpleTextInputProtocol {
     }
 
     pub fn read_key_blocking(&mut self) -> Result<InputKey, Status> {
-        let res = system_table().boot_services.wait_for_event(self.wait_for_key)?;
+        system_table().boot_services.wait_for_event(self.wait_for_key)?;
         loop {
             let res = self.read_key_stroke();
             match res {
diff --git a/crates/efi/src/proto/stop.rs b/crates/efi/src/proto/stop.rs
index 52615fe..ffeac80 100644
--- a/crates/efi/src/proto/stop.rs
+++ b/crates/efi/src/proto/stop.rs
@@ -1,25 +1,21 @@
-use crate::{Status, Guid};
+use crate::{Status, Guid, Protocol};
 
 use core::ffi::c_void;
 use core::fmt;
 
-const SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID: Guid = Guid {
-    data1:  0x387477c2,
-    data2:  0x69c7,
-    data3:  0x11d2,
-    data4:  [0x82, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]
-};
-
 #[repr(C)]
 pub struct SimpleTextOutputProtocol {
     fn_reset: *mut c_void,
     fn_output_string: unsafe fn(&SimpleTextOutputProtocol, s: *const i16) -> u64
 }
 
-impl super::Protocol for SimpleTextOutputProtocol {
-    fn guid() -> &'static Guid {
-        return &SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID;
-    }
+impl Protocol for SimpleTextOutputProtocol {
+    const GUID: Guid = Guid {
+        data1:  0x387477c2,
+        data2:  0x69c7,
+        data3:  0x11d2,
+        data4:  [0x82, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]
+    };
 }
 
 impl SimpleTextOutputProtocol {