diff --git a/crates/fayalite-proc-macros-impl/src/lib.rs b/crates/fayalite-proc-macros-impl/src/lib.rs
index 903983f..194dbf3 100644
--- a/crates/fayalite-proc-macros-impl/src/lib.rs
+++ b/crates/fayalite-proc-macros-impl/src/lib.rs
@@ -78,7 +78,6 @@ mod kw {
     custom_keyword!(output);
     custom_keyword!(reg_builder);
     custom_keyword!(reset);
-    custom_keyword!(reset_default);
     custom_keyword!(skip);
     custom_keyword!(target);
     custom_keyword!(wire);
diff --git a/crates/fayalite-proc-macros-impl/src/module/transform_body.rs b/crates/fayalite-proc-macros-impl/src/module/transform_body.rs
index 1f9565a..6e99e87 100644
--- a/crates/fayalite-proc-macros-impl/src/module/transform_body.rs
+++ b/crates/fayalite-proc-macros-impl/src/module/transform_body.rs
@@ -265,11 +265,6 @@ pub(crate) enum RegBuilderReset {
         paren: Paren,
         init_expr: Box<Expr>,
     },
-    ResetDefault {
-        dot_token: Token![.],
-        reset_default: kw::reset_default,
-        paren: Paren,
-    },
 }
 
 impl_fold! {
@@ -286,11 +281,6 @@ impl_fold! {
             paren: Paren,
             init_expr: Box<Expr>,
         },
-        ResetDefault {
-            dot_token: Token![.],
-            reset_default: kw::reset_default,
-            paren: Paren,
-        },
     }
 }
 
@@ -312,11 +302,6 @@ impl Parse for RegBuilderReset {
                 paren: parenthesized!(paren_contents in input),
                 init_expr: paren_contents.call(parse_single_fn_arg)?,
             }),
-            RegBuilderMethod::ResetDefault(reset_default) => Ok(Self::ResetDefault {
-                dot_token,
-                reset_default,
-                paren: parenthesized!(paren_contents in input),
-            }),
         }
     }
 }
@@ -344,15 +329,6 @@ impl ToTokens for RegBuilderReset {
                 reset.to_tokens(tokens);
                 paren.surround(tokens, |tokens| init_expr.to_tokens(tokens));
             }
-            RegBuilderReset::ResetDefault {
-                dot_token,
-                reset_default,
-                paren,
-            } => {
-                dot_token.to_tokens(tokens);
-                reset_default.to_tokens(tokens);
-                paren.surround(tokens, |_| {});
-            }
         }
     }
 }
@@ -401,8 +377,6 @@ make_builder_method_enum! {
         NoReset(no_reset),
         #[cond = need_reset]
         Reset(reset),
-        #[cond = need_reset]
-        ResetDefault(reset_default),
     }
 }
 
@@ -445,17 +419,13 @@ impl HdlLetKindRegBuilder {
         let mut clock_domain = None;
         match RegBuilderMethod::parse_dot_prefixed(&input.fork(), true, true)?.1 {
             RegBuilderMethod::ClockDomain(_) => clock_domain = Some(input.parse()?),
-            RegBuilderMethod::NoReset(_)
-            | RegBuilderMethod::Reset(_)
-            | RegBuilderMethod::ResetDefault(_) => {}
+            RegBuilderMethod::NoReset(_) | RegBuilderMethod::Reset(_) => {}
         }
         let reset = input.parse()?;
         if clock_domain.is_none() {
             match RegBuilderMethod::parse_dot_prefixed(&input.fork(), true, false)?.1 {
                 RegBuilderMethod::ClockDomain(_) => clock_domain = Some(input.parse()?),
-                RegBuilderMethod::NoReset(_)
-                | RegBuilderMethod::Reset(_)
-                | RegBuilderMethod::ResetDefault(_) => unreachable!(),
+                RegBuilderMethod::NoReset(_) | RegBuilderMethod::Reset(_) => unreachable!(),
             }
         }
         Ok(Self {
@@ -1370,7 +1340,7 @@ impl Visitor<'_> {
                 no_reset.to_tokens(&mut expr);
                 paren.surround(&mut expr, |expr| ty_expr.to_tokens(expr));
             }
-            RegBuilderReset::Reset { .. } | RegBuilderReset::ResetDefault { .. } => {
+            RegBuilderReset::Reset { .. } => {
                 hdl_let.kind.reset.to_tokens(&mut expr);
             }
         }