diff --git a/src/cpu.zig b/src/cpu.zig
index bb07bd0..2b27bb1 100644
--- a/src/cpu.zig
+++ b/src/cpu.zig
@@ -233,11 +233,11 @@ fn execute(cpu: *Cpu, display: *Display, mem: *[0x1000]u8, instr: Instruction) v
         },
         .LD_DT_Vx => |x| {
             const when = scheduler.now() + OPS_PER_HZ * @as(u64, cpu.v[x]);
-            scheduler.ReplaceOrPush(EventKind.DelayTimer, when);
+            scheduler.replaceOrPush(EventKind.DelayTimer, when);
         },
         .LD_ST_Vx => |x| {
             const when = scheduler.now() + OPS_PER_HZ * @as(u64, cpu.v[x]);
-            scheduler.ReplaceOrPush(EventKind.SoundTimer, when);
+            scheduler.replaceOrPush(EventKind.SoundTimer, when);
         },
         .ADD_I_Vx => |x| {
             const sum: u16 = cpu.i + cpu.v[x];
@@ -248,8 +248,7 @@ fn execute(cpu: *Cpu, display: *Display, mem: *[0x1000]u8, instr: Instruction) v
             cpu.i = 0x50 + (5 * cpu.v[x]);
         },
         .LD_B_Vx => |x| {
-            var value = cpu.v[x];
-
+            const value = cpu.v[x];
             mem[cpu.i] = value / 100;
             mem[cpu.i + 1] = (value / 10) % 10;
             mem[cpu.i + 2] = value % 10;
diff --git a/src/scheduler.zig b/src/scheduler.zig
index 794c2ac..62a2ca5 100644
--- a/src/scheduler.zig
+++ b/src/scheduler.zig
@@ -38,7 +38,7 @@ pub const Scheduler = struct {
         self.pushEvent(Event{ .kind = kind, .timestamp = when });
     }
 
-    pub fn ReplaceOrPush(self: *Scheduler, kind: EventKind, when: u64) void {
+    pub fn replaceOrPush(self: *Scheduler, kind: EventKind, when: u64) void {
         if (self.find(kind)) |event| {
             self.queue.update(event, Event{ .kind = kind, .timestamp = when }) catch unreachable;
         } else {