diff --git a/Python/ceval.c b/Python/ceval.c
index f9a798c8565..58a2513b3ef 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -22,9 +22,6 @@
 
 #include <ctype.h>
 
-/* Turn this on if your compiler chokes on the big switch: */
-/* #define CASE_TOO_BIG 1 */
-
 #ifdef Py_DEBUG
 /* For debugging the interpreter: */
 #define LLTRACE  1      /* Low-level trace feature */
@@ -1662,9 +1659,6 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
             DISPATCH();
         }
 
-#ifdef CASE_TOO_BIG
-        default: switch (opcode) {
-#endif
         TARGET(RAISE_VARARGS) {
             PyObject *cause = NULL, *exc = NULL;
             switch (oparg) {
@@ -3373,10 +3367,6 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
             PyErr_SetString(PyExc_SystemError, "unknown opcode");
             goto error;
 
-#ifdef CASE_TOO_BIG
-        }
-#endif
-
         } /* switch */
 
         /* This should never be reached. Every opcode should end with DISPATCH()