diff --git a/build/wire_xcon.rs b/build/wire_xcon.rs
index 59fbac2b..f4a82486 100644
--- a/build/wire_xcon.rs
+++ b/build/wire_xcon.rs
@@ -813,7 +813,7 @@ struct Extension {
 #[derive(Debug)]
 enum NamedType {
     Struct(Rc<Struct>),
-    Bitmask(Rc<Bitmask>),
+    Bitmask(#[allow(dead_code)] Rc<Bitmask>),
     Enum(Rc<Enum>),
 }
 
diff --git a/src/gfx_apis/vulkan/instance.rs b/src/gfx_apis/vulkan/instance.rs
index e64a7453..56985968 100644
--- a/src/gfx_apis/vulkan/instance.rs
+++ b/src/gfx_apis/vulkan/instance.rs
@@ -146,8 +146,7 @@ impl Drop for VulkanInstance {
 
 const REQUIRED_INSTANCE_EXTENSIONS: &[&CStr] = &[ExtDebugUtilsFn::name()];
 
-const VALIDATION_LAYER: &CStr =
-    unsafe { CStr::from_bytes_with_nul_unchecked(b"VK_LAYER_KHRONOS_validation\0") };
+const VALIDATION_LAYER: &CStr = c"VK_LAYER_KHRONOS_validation";
 
 pub type Extensions = AHashMap<CString, u32>;
 
diff --git a/toml-config/src/toml/toml_lexer.rs b/toml-config/src/toml/toml_lexer.rs
index 9ff85dc2..a227fc12 100644
--- a/toml-config/src/toml/toml_lexer.rs
+++ b/toml-config/src/toml/toml_lexer.rs
@@ -96,9 +96,7 @@ impl<'a> Lexer<'a> {
 
         self.skip_ws();
 
-        let Some(c) = get!(0) else {
-            return None;
-        };
+        let c = get!(0)?;
         let pos = self.pos;
 
         macro_rules! span {