diff --git a/compiler/optimizer/ir/inst.cpp b/compiler/optimizer/ir/inst.cpp
index ea6ff69fedd38abf59e204c45088f19556c8567f..7ffdadf01b78af8dc7e99e8174bec43e724e24a7 100644
--- a/compiler/optimizer/ir/inst.cpp
+++ b/compiler/optimizer/ir/inst.cpp
@@ -275,18 +275,6 @@ Inst *Inst::Clone(const Graph *targetGraph) const
     return clone;
 }
 
-template <size_t N>
-Inst *FixedInputsInst<N>::Clone(const Graph *targetGraph) const
-{
-    auto clone = static_cast<FixedInputsInst *>(Inst::Clone(targetGraph));
-#ifndef NDEBUG
-    for (size_t i = 0; i < INPUT_COUNT; ++i) {
-        clone->SetSrcReg(i, GetSrcReg(i));
-    }
-#endif
-    return clone;
-}
-
 #if PANDA_TARGET_MACOS
 template class FixedInputsInst<0>;
 template class FixedInputsInst<1>;
diff --git a/compiler/optimizer/ir/inst.h b/compiler/optimizer/ir/inst.h
index 7e089f81f55779664f498986960d279b64023457..a6e245c530e888201f9cd8c189cf6e6c197649ea 100644
--- a/compiler/optimizer/ir/inst.h
+++ b/compiler/optimizer/ir/inst.h
@@ -1668,6 +1668,18 @@ private:
     std::array<Register, N> src_regs_ = CreateArray(INVALID_REG, std::make_index_sequence<INPUT_COUNT>());
 };
 
+template <size_t N>
+Inst *FixedInputsInst<N>::Clone(const Graph *targetGraph) const
+{
+    auto clone = static_cast<FixedInputsInst *>(Inst::Clone(targetGraph));
+#ifndef NDEBUG
+    for (size_t i = 0; i < INPUT_COUNT; ++i) {
+        clone->SetSrcReg(i, GetSrcReg(i));
+    }
+#endif
+    return clone;
+}
+
 /**
  * Instructions with fixed static inputs
  * We need to explicitly declare these proxy classes because some code can't work with the templated inst classes, for