diff --git a/src/backend_x64/callback.cpp b/src/backend_x64/callback.cpp
index 4b2aee30..c868bfb1 100644
--- a/src/backend_x64/callback.cpp
+++ b/src/backend_x64/callback.cpp
@@ -9,6 +9,8 @@
 
 namespace Dynarmic::BackendX64 {
 
+Callback::~Callback() = default;
+
 void SimpleCallback::EmitCall(BlockOfCode& code, std::function<void(RegList)> l) const {
     l({code.ABI_PARAM1, code.ABI_PARAM2, code.ABI_PARAM3, code.ABI_PARAM4});
     code.CallFunction(fn);
diff --git a/src/backend_x64/callback.h b/src/backend_x64/callback.h
index 2d474649..05beb66a 100644
--- a/src/backend_x64/callback.h
+++ b/src/backend_x64/callback.h
@@ -21,7 +21,7 @@ class BlockOfCode;
 
 class Callback {
 public:
-    virtual ~Callback() = default;
+    virtual ~Callback();
 
     virtual void EmitCall(BlockOfCode& code, std::function<void(RegList)> fn = [](RegList){}) const = 0;
     virtual void EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Xbyak::Reg64, RegList)> fn) const = 0;
@@ -32,8 +32,6 @@ public:
     template <typename Function>
     SimpleCallback(Function fn) : fn(reinterpret_cast<void(*)()>(fn)) {}
 
-    ~SimpleCallback() override = default;
-
     void EmitCall(BlockOfCode& code, std::function<void(RegList)> fn = [](RegList){}) const override;
     void EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Xbyak::Reg64, RegList)> fn) const override;
 
@@ -46,8 +44,6 @@ public:
     template <typename Function>
     ArgCallback(Function fn, u64 arg) : fn(reinterpret_cast<void(*)()>(fn)), arg(arg) {}
 
-    ~ArgCallback() override = default;
-
     void EmitCall(BlockOfCode& code, std::function<void(RegList)> fn = [](RegList){}) const override;
     void EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Xbyak::Reg64, RegList)> fn) const override;