diff --git a/src/tests/core/core_timing.cpp b/src/tests/core/core_timing.cpp
index 022b26e6d..b35459152 100644
--- a/src/tests/core/core_timing.cpp
+++ b/src/tests/core/core_timing.cpp
@@ -46,20 +46,16 @@ struct ScopeInit final {
     Core::Timing::CoreTiming core_timing;
 };
 
-#pragma optimize("", off)
-
 u64 TestTimerSpeed(Core::Timing::CoreTiming& core_timing) {
-    u64 start = core_timing.GetGlobalTimeNs().count();
-    u64 placebo = 0;
+    const u64 start = core_timing.GetGlobalTimeNs().count();
+    volatile u64 placebo = 0;
     for (std::size_t i = 0; i < 1000; i++) {
-        placebo += core_timing.GetGlobalTimeNs().count();
+        placebo = placebo + core_timing.GetGlobalTimeNs().count();
     }
-    u64 end = core_timing.GetGlobalTimeNs().count();
-    return (end - start);
+    const u64 end = core_timing.GetGlobalTimeNs().count();
+    return end - start;
 }
 
-#pragma optimize("", on)
-
 } // Anonymous namespace
 
 TEST_CASE("CoreTiming[BasicOrder]", "[core]") {