diff --git a/tig-runtime/src/main.rs b/tig-runtime/src/main.rs
index 4e382c7e..b58aa7be 100644
--- a/tig-runtime/src/main.rs
+++ b/tig-runtime/src/main.rs
@@ -230,16 +230,21 @@ pub fn compute_solution(
                 if stream.memcpy_dtov(&error_stat)?[0] != 0 {
                     break 'out_of_fuel (max_fuel + 1, 0, Solution::new(), None);
                 }
-                let fuel_consumed = (stream.memcpy_dtov(&fuel_usage)?[0] / gpu_fuel_scale
-                    + max_fuel
-                    - unsafe { **library.get::<*const u64>(b"__fuel_remaining")? });
+                let gpu_fuel_consumed = stream.memcpy_dtov(&fuel_usage)?[0] / gpu_fuel_scale;
+                // let cpu_fuel_consumed =
+                //     max_fuel - unsafe { **library.get::<*const u64>(b"__fuel_remaining")? };
+                // let fuel_consumed = gpu_fuel_consumed + cpu_fuel_consumed;
+                let fuel_consumed = gpu_fuel_consumed;
 
                 if fuel_consumed > max_fuel {
                     break 'out_of_fuel (max_fuel + 1, 0, Solution::new(), None);
                 }
 
-                let runtime_signature = (stream.memcpy_dtov(&signature)?[0]
-                    ^ unsafe { **library.get::<*const u64>(b"__runtime_signature")? });
+                let gpu_runtime_signature = stream.memcpy_dtov(&signature)?[0];
+                // let cpu_runtime_signature =
+                //     unsafe { **library.get::<*const u64>(b"__runtime_signature")? };
+                // let runtime_signature = gpu_runtime_signature ^ cpu_runtime_signature;
+                let runtime_signature = gpu_runtime_signature;
 
                 let (solution, invalid_reason) = match result {
                     Some(s) => {