diff --git a/src/main.rs b/src/main.rs
index 5beb5b8..745fa05 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,6 @@ use std::fs::File;
 use std::io::Read;
 use std::collections::{VecDeque, HashMap, BTreeSet};
 
-mod op_utils;
 mod math;
 mod stack;
 mod state;
diff --git a/src/op_utils.rs b/src/op_utils.rs
deleted file mode 100644
index 2fee367..0000000
--- a/src/op_utils.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * Runs the given macro on a combination of two stacks depending on the value
- * of the stack code. The highest-order bit represents the source stack and the
- * lowest represents the destination.
- *
- * Unlike `match_ternary_stack_code`, `match_binary_stack_code` takes a third,
- * immediate argument, for a literal number that may be used in the operation
- */
-#[macro_export]
-macro_rules! match_binary_stack_code {
-    ($macro: ident, $stack_code:expr, $root:expr, $trunk:expr) => {
-        match_binary_stack_code!($macro, $stack_code, $root, $trunk, 0);
-    };
-
-    ($macro: ident, $stack_code:expr, $root:expr, $trunk:expr, $immediate:expr) => {
-        match $stack_code {
-            0b00 => $macro!($root, $root, $immediate),
-            0b01 => $macro!($root, $trunk, $immediate),
-            0b10 => $macro!($trunk, $root, $immediate),
-            0b11 => $macro!($trunk, $trunk, $immediate),
-            _ => panic!("Invalid stack code: {}", $stack_code)
-        }
-    };
-}