diff --git a/Include/cpython/compile.h b/Include/cpython/compile.h
index 265f5397b45..0d587505ef7 100644
--- a/Include/cpython/compile.h
+++ b/Include/cpython/compile.h
@@ -68,15 +68,3 @@ typedef struct {
 #define PY_INVALID_STACK_EFFECT INT_MAX
 PyAPI_FUNC(int) PyCompile_OpcodeStackEffect(int opcode, int oparg);
 PyAPI_FUNC(int) PyCompile_OpcodeStackEffectWithJump(int opcode, int oparg, int jump);
-
-PyAPI_FUNC(int) PyUnstable_OpcodeIsValid(int opcode);
-PyAPI_FUNC(int) PyUnstable_OpcodeHasArg(int opcode);
-PyAPI_FUNC(int) PyUnstable_OpcodeHasConst(int opcode);
-PyAPI_FUNC(int) PyUnstable_OpcodeHasName(int opcode);
-PyAPI_FUNC(int) PyUnstable_OpcodeHasJump(int opcode);
-PyAPI_FUNC(int) PyUnstable_OpcodeHasFree(int opcode);
-PyAPI_FUNC(int) PyUnstable_OpcodeHasLocal(int opcode);
-PyAPI_FUNC(int) PyUnstable_OpcodeHasExc(int opcode);
-
-PyAPI_FUNC(PyObject*) PyUnstable_GetUnaryIntrinsicName(int index);
-PyAPI_FUNC(PyObject*) PyUnstable_GetBinaryIntrinsicName(int index);
diff --git a/Include/internal/pycore_compile.h b/Include/internal/pycore_compile.h
index a5a7146f5ee..e5870759ba7 100644
--- a/Include/internal/pycore_compile.h
+++ b/Include/internal/pycore_compile.h
@@ -102,6 +102,20 @@ int _PyCompile_EnsureArrayLargeEnough(
 
 int _PyCompile_ConstCacheMergeOne(PyObject *const_cache, PyObject **obj);
 
+
+// Export for '_opcode' extention module
+PyAPI_FUNC(int) _PyCompile_OpcodeIsValid(int opcode);
+PyAPI_FUNC(int) _PyCompile_OpcodeHasArg(int opcode);
+PyAPI_FUNC(int) _PyCompile_OpcodeHasConst(int opcode);
+PyAPI_FUNC(int) _PyCompile_OpcodeHasName(int opcode);
+PyAPI_FUNC(int) _PyCompile_OpcodeHasJump(int opcode);
+PyAPI_FUNC(int) _PyCompile_OpcodeHasFree(int opcode);
+PyAPI_FUNC(int) _PyCompile_OpcodeHasLocal(int opcode);
+PyAPI_FUNC(int) _PyCompile_OpcodeHasExc(int opcode);
+
+PyAPI_FUNC(PyObject*) _PyCompile_GetUnaryIntrinsicName(int index);
+PyAPI_FUNC(PyObject*) _PyCompile_GetBinaryIntrinsicName(int index);
+
 /* Access compiler internals for unit testing */
 
 // Export for '_testinternalcapi' shared extension
diff --git a/Modules/_opcode.c b/Modules/_opcode.c
index f0b547795b8..93c71377f03 100644
--- a/Modules/_opcode.c
+++ b/Modules/_opcode.c
@@ -6,6 +6,7 @@
 #include "compile.h"
 #include "opcode.h"
 #include "internal/pycore_code.h"
+#include "internal/pycore_compile.h"
 #include "internal/pycore_intrinsics.h"
 
 /*[clinic input]
@@ -78,7 +79,7 @@ static int
 _opcode_is_valid_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=b0d918ea1d073f65 input=fe23e0aa194ddae0]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode);
+    return _PyCompile_OpcodeIsValid(opcode);
 }
 
 /*[clinic input]
@@ -94,8 +95,8 @@ static int
 _opcode_has_arg_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=7a062d3b2dcc0815 input=93d878ba6361db5f]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode) &&
-           PyUnstable_OpcodeHasArg(opcode);
+    return _PyCompile_OpcodeIsValid(opcode) &&
+           _PyCompile_OpcodeHasArg(opcode);
 }
 
 /*[clinic input]
@@ -111,8 +112,8 @@ static int
 _opcode_has_const_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=c646d5027c634120 input=a6999e4cf13f9410]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode) &&
-           PyUnstable_OpcodeHasConst(opcode);
+    return _PyCompile_OpcodeIsValid(opcode) &&
+           _PyCompile_OpcodeHasConst(opcode);
 }
 
 /*[clinic input]
@@ -128,8 +129,8 @@ static int
 _opcode_has_name_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=b49a83555c2fa517 input=448aa5e4bcc947ba]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode) &&
-           PyUnstable_OpcodeHasName(opcode);
+    return _PyCompile_OpcodeIsValid(opcode) &&
+           _PyCompile_OpcodeHasName(opcode);
 }
 
 /*[clinic input]
@@ -145,8 +146,8 @@ static int
 _opcode_has_jump_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=e9c583c669f1c46a input=35f711274357a0c3]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode) &&
-           PyUnstable_OpcodeHasJump(opcode);
+    return _PyCompile_OpcodeIsValid(opcode) &&
+           _PyCompile_OpcodeHasJump(opcode);
 
 }
 
@@ -168,8 +169,8 @@ static int
 _opcode_has_free_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=d81ae4d79af0ee26 input=117dcd5c19c1139b]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode) &&
-           PyUnstable_OpcodeHasFree(opcode);
+    return _PyCompile_OpcodeIsValid(opcode) &&
+           _PyCompile_OpcodeHasFree(opcode);
 
 }
 
@@ -186,8 +187,8 @@ static int
 _opcode_has_local_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=da5a8616b7a5097b input=9a798ee24aaef49d]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode) &&
-           PyUnstable_OpcodeHasLocal(opcode);
+    return _PyCompile_OpcodeIsValid(opcode) &&
+           _PyCompile_OpcodeHasLocal(opcode);
 }
 
 /*[clinic input]
@@ -203,8 +204,8 @@ static int
 _opcode_has_exc_impl(PyObject *module, int opcode)
 /*[clinic end generated code: output=41b68dff0ec82a52 input=db0e4bdb9bf13fa5]*/
 {
-    return PyUnstable_OpcodeIsValid(opcode) &&
-           PyUnstable_OpcodeHasExc(opcode);
+    return _PyCompile_OpcodeIsValid(opcode) &&
+           _PyCompile_OpcodeHasExc(opcode);
 }
 
 /*[clinic input]
@@ -309,7 +310,7 @@ _opcode_get_intrinsic1_descs_impl(PyObject *module)
         return NULL;
     }
     for (int i=0; i <= MAX_INTRINSIC_1; i++) {
-        PyObject *name = PyUnstable_GetUnaryIntrinsicName(i);
+        PyObject *name = _PyCompile_GetUnaryIntrinsicName(i);
         if (name == NULL) {
             Py_DECREF(list);
             return NULL;
@@ -336,7 +337,7 @@ _opcode_get_intrinsic2_descs_impl(PyObject *module)
         return NULL;
     }
     for (int i=0; i <= MAX_INTRINSIC_2; i++) {
-        PyObject *name = PyUnstable_GetBinaryIntrinsicName(i);
+        PyObject *name = _PyCompile_GetBinaryIntrinsicName(i);
         if (name == NULL) {
             Py_DECREF(list);
             return NULL;
diff --git a/Python/compile.c b/Python/compile.c
index 6c64b405b2b..8b1eef79a79 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -883,49 +883,49 @@ PyCompile_OpcodeStackEffect(int opcode, int oparg)
 }
 
 int
-PyUnstable_OpcodeIsValid(int opcode)
+_PyCompile_OpcodeIsValid(int opcode)
 {
     return IS_VALID_OPCODE(opcode);
 }
 
 int
-PyUnstable_OpcodeHasArg(int opcode)
+_PyCompile_OpcodeHasArg(int opcode)
 {
     return OPCODE_HAS_ARG(opcode);
 }
 
 int
-PyUnstable_OpcodeHasConst(int opcode)
+_PyCompile_OpcodeHasConst(int opcode)
 {
     return OPCODE_HAS_CONST(opcode);
 }
 
 int
-PyUnstable_OpcodeHasName(int opcode)
+_PyCompile_OpcodeHasName(int opcode)
 {
     return OPCODE_HAS_NAME(opcode);
 }
 
 int
-PyUnstable_OpcodeHasJump(int opcode)
+_PyCompile_OpcodeHasJump(int opcode)
 {
     return OPCODE_HAS_JUMP(opcode);
 }
 
 int
-PyUnstable_OpcodeHasFree(int opcode)
+_PyCompile_OpcodeHasFree(int opcode)
 {
     return OPCODE_HAS_FREE(opcode);
 }
 
 int
-PyUnstable_OpcodeHasLocal(int opcode)
+_PyCompile_OpcodeHasLocal(int opcode)
 {
     return OPCODE_HAS_LOCAL(opcode);
 }
 
 int
-PyUnstable_OpcodeHasExc(int opcode)
+_PyCompile_OpcodeHasExc(int opcode)
 {
     return IS_BLOCK_PUSH_OPCODE(opcode);
 }
diff --git a/Python/intrinsics.c b/Python/intrinsics.c
index bbd79ec473f..d3146973b75 100644
--- a/Python/intrinsics.c
+++ b/Python/intrinsics.c
@@ -5,6 +5,7 @@
 #include "pycore_frame.h"
 #include "pycore_function.h"
 #include "pycore_global_objects.h"
+#include "pycore_compile.h"       // _PyCompile_GetUnaryIntrinsicName, etc
 #include "pycore_intrinsics.h"    // INTRINSIC_PRINT
 #include "pycore_pyerrors.h"      // _PyErr_SetString()
 #include "pycore_runtime.h"       // _Py_ID()
@@ -269,7 +270,7 @@ _PyIntrinsics_BinaryFunctions[] = {
 #undef INTRINSIC_FUNC_ENTRY
 
 PyObject*
-PyUnstable_GetUnaryIntrinsicName(int index)
+_PyCompile_GetUnaryIntrinsicName(int index)
 {
     if (index < 0 || index > MAX_INTRINSIC_1) {
         return NULL;
@@ -278,7 +279,7 @@ PyUnstable_GetUnaryIntrinsicName(int index)
 }
 
 PyObject*
-PyUnstable_GetBinaryIntrinsicName(int index)
+_PyCompile_GetBinaryIntrinsicName(int index)
 {
     if (index < 0 || index > MAX_INTRINSIC_2) {
         return NULL;