diff --git a/src/interpreter/bytecode-register.cc b/src/interpreter/bytecode-register.cc
index 094be0de83..31e3b90852 100644
--- a/src/interpreter/bytecode-register.cc
+++ b/src/interpreter/bytecode-register.cc
@@ -4,8 +4,6 @@
 
 #include "src/interpreter/bytecode-register.h"
 
-#include "src/frames.h"
-
 namespace v8 {
 namespace internal {
 namespace interpreter {
@@ -39,10 +37,6 @@ static const int kCallerPCOffsetRegisterIndex =
      InterpreterFrameConstants::kCallerPCOffsetFromFp) /
     kPointerSize;
 
-STATIC_CONST_MEMBER_DEFINITION const int Register::kInvalidIndex = kMaxInt;
-STATIC_CONST_MEMBER_DEFINITION const int Register::kRegisterFileStartOffset =
-    InterpreterFrameConstants::kRegisterFileFromFp / kPointerSize;
-
 Register Register::FromParameterIndex(int index, int parameter_count) {
   DCHECK_GE(index, 0);
   DCHECK_LT(index, parameter_count);
diff --git a/src/interpreter/bytecode-register.h b/src/interpreter/bytecode-register.h
index 34ba4c2159..c714178958 100644
--- a/src/interpreter/bytecode-register.h
+++ b/src/interpreter/bytecode-register.h
@@ -5,6 +5,7 @@
 #ifndef V8_INTERPRETER_BYTECODE_REGISTER_H_
 #define V8_INTERPRETER_BYTECODE_REGISTER_H_
 
+#include "src/frames.h"
 #include "src/interpreter/bytecodes.h"
 
 namespace v8 {
@@ -86,8 +87,9 @@ class Register final {
   }
 
  private:
-  static const int kInvalidIndex;
-  static const int kRegisterFileStartOffset;
+  static const int kInvalidIndex = kMaxInt;
+  static const int kRegisterFileStartOffset =
+      InterpreterFrameConstants::kRegisterFileFromFp / kPointerSize;
 
   void* operator new(size_t size) = delete;
   void operator delete(void* p) = delete;