diff --git a/src/main.rs b/src/main.rs
index b8442c6..2f82089 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,7 +20,7 @@ fn main() -> std::io::Result<()> {
     let now = Instant::now();
 
     let file = File::open(&args.path)?;
-    let vcd = parse_vcd(file).unwrap();
+    parse_vcd(file).unwrap();
 
     let elapsed = now.elapsed();
     println!("Elapsed: {:.2?}", elapsed);
diff --git a/src/vcd/parse/events.rs b/src/vcd/parse/events.rs
index 48f3320..8e3d18b 100644
--- a/src/vcd/parse/events.rs
+++ b/src/vcd/parse/events.rs
@@ -122,14 +122,12 @@ pub(super) fn parse_events<'a>(
                         ref mut signal_error,
                         num_bits,
                         num_bytes,
-                        self_idx,
                         nums_encoded_as_fixed_width_le_u8,
                         string_vals,
                         lsb_indxs_of_num_tmstmp_vals_on_tmln,
                         byte_len_of_num_tmstmp_vals_on_tmln,
                         lsb_indxs_of_string_tmstmp_vals_on_tmln,
-                        byte_len_of_string_tmstmp_vals_on_tmln,
-                        scope_parent,
+                        ..
                     } => {
                         // we've already identified in a prior loop iteration that the signal has
                         // an error
@@ -233,10 +231,7 @@ pub(super) fn parse_events<'a>(
                         sig_type,
                         ref mut signal_error,
                         num_bits,
-                        num_bytes: _,
-                        self_idx: _,
                         nums_encoded_as_fixed_width_le_u8,
-                        string_vals: _,
                         lsb_indxs_of_num_tmstmp_vals_on_tmln,
                         byte_len_of_num_tmstmp_vals_on_tmln,
                         ..
@@ -311,10 +306,7 @@ pub(super) fn parse_events<'a>(
                         sig_type,
                         ref mut signal_error,
                         num_bits,
-                        num_bytes: _,
-                        self_idx: _,
                         nums_encoded_as_fixed_width_le_u8,
-                        string_vals: _,
                         lsb_indxs_of_num_tmstmp_vals_on_tmln,
                         byte_len_of_num_tmstmp_vals_on_tmln,
                         ..
@@ -391,11 +383,7 @@ pub(super) fn parse_events<'a>(
                         sig_type,
                         ref mut signal_error,
                         num_bits,
-                        num_bytes: _,
-                        self_idx: _,
-                        nums_encoded_as_fixed_width_le_u8: _,
                         string_vals,
-                        lsb_indxs_of_num_tmstmp_vals_on_tmln: _,
                         byte_len_of_num_tmstmp_vals_on_tmln,
                         lsb_indxs_of_string_tmstmp_vals_on_tmln,
                         ..
diff --git a/src/vcd/types.rs b/src/vcd/types.rs
index 12f9af1..6a48e4d 100644
--- a/src/vcd/types.rs
+++ b/src/vcd/types.rs
@@ -75,14 +75,7 @@ impl VCD {
 
         // dereference signal if Signal::Alias, or keep idx if Signal::Data
         let signal_idx = match signal {
-            Signal::Data {
-                name,
-                sig_type,
-                signal_error,
-                num_bits,
-                self_idx,
-                ..
-            } => *self_idx,
+            Signal::Data { self_idx, .. } => *self_idx,
             Signal::Alias { name, signal_alias } => *signal_alias,
         };
 
@@ -109,14 +102,7 @@ impl VCD {
 
         // dereference signal if Signal::Alias, or keep idx if Signal::Data
         let signal_idx = match signal {
-            Signal::Data {
-                name,
-                sig_type,
-                signal_error,
-                num_bits,
-                self_idx,
-                ..
-            } => *self_idx,
+            Signal::Data { self_idx, .. } => *self_idx,
             Signal::Alias { name, signal_alias } => *signal_alias,
         };
 
diff --git a/src/vcd/utilities.rs b/src/vcd/utilities.rs
index 5df9160..a34905c 100644
--- a/src/vcd/utilities.rs
+++ b/src/vcd/utilities.rs
@@ -1,5 +1,3 @@
-use super::*;
-
 #[derive(Debug)]
 pub(super) enum BinaryParserErrTypes {
     XValue,