diff --git a/include/dynarmic/A64/config.h b/include/dynarmic/A64/config.h
index b4c56ec0..3905eb88 100644
--- a/include/dynarmic/A64/config.h
+++ b/include/dynarmic/A64/config.h
@@ -84,17 +84,17 @@ struct UserCallbacks {
     virtual void MemoryWrite128(VAddr vaddr, Vector value) = 0;
 
     // Writes through these callbacks may not be aligned.
-    virtual bool MemoryWriteExclusive8(VAddr vaddr, std::uint8_t value, std::uint8_t expected) = 0;
-    virtual bool MemoryWriteExclusive16(VAddr vaddr, std::uint16_t value, std::uint16_t expected) = 0;
-    virtual bool MemoryWriteExclusive32(VAddr vaddr, std::uint32_t value, std::uint32_t expected) = 0;
-    virtual bool MemoryWriteExclusive64(VAddr vaddr, std::uint64_t value, std::uint64_t expected) = 0;
-    virtual bool MemoryWriteExclusive128(VAddr vaddr, Vector value, Vector expected) = 0;
+    virtual bool MemoryWriteExclusive8(VAddr /*vaddr*/, std::uint8_t /*value*/, std::uint8_t /*expected*/) { return false; }
+    virtual bool MemoryWriteExclusive16(VAddr /*vaddr*/, std::uint16_t /*value*/, std::uint16_t /*expected*/) { return false; }
+    virtual bool MemoryWriteExclusive32(VAddr /*vaddr*/, std::uint32_t /*value*/, std::uint32_t /*expected*/) { return false; }
+    virtual bool MemoryWriteExclusive64(VAddr /*vaddr*/, std::uint64_t /*value*/, std::uint64_t /*expected*/) { return false; }
+    virtual bool MemoryWriteExclusive128(VAddr /*vaddr*/, Vector /*value*/, Vector /*expected*/) { return false; }
 
     // If this callback returns true, the JIT will assume MemoryRead* callbacks will always
     // return the same value at any point in time for this vaddr. The JIT may use this information
     // in optimizations.
     // A conservative implementation that always returns false is safe.
-    virtual bool IsReadOnlyMemory(VAddr /* vaddr */) { return false; }
+    virtual bool IsReadOnlyMemory(VAddr /*vaddr*/) { return false; }
 
     /// The interpreter must execute exactly num_instructions starting from PC.
     virtual void InterpreterFallback(VAddr pc, size_t num_instructions) = 0;