diff --git a/src/generate/register.rs b/src/generate/register.rs
index dc1f20ba..f7f94d87 100644
--- a/src/generate/register.rs
+++ b/src/generate/register.rs
@@ -859,7 +859,8 @@ pub fn fields(
                     #[doc = #array_doc]
                     #inline
                     pub fn #name_snake_case(&self, n: u8) -> #reader_ty {
-                        assert!(n < #dim);
+                        #[allow(clippy::no_effect)]
+                        [(); #dim][n as usize];
                         #reader_ty::new ( #value )
                     }
                 });
@@ -1109,7 +1110,8 @@ pub fn fields(
                     #inline
                     #[must_use]
                     pub fn #name_snake_case(&mut self, n: u8) -> #writer_ty<#regspec_ident> {
-                        assert!(n < #dim);
+                        #[allow(clippy::no_effect)]
+                        [(); #dim][n as usize];
                         #writer_ty::new(self, #offset_calc)
                     }
                 });