diff --git a/py/mpconfig.h b/py/mpconfig.h
index 44de3beebe..1694a13601 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -765,16 +765,24 @@ typedef double mp_float_t;
 #define MICROPY_PY_BUILTINS_TIMEOUTERROR (0)
 #endif
 
-// Whether to support complete set of special methods
-// for user classes, or only the most used ones. "Reverse"
-// methods are controlled by MICROPY_PY_REVERSE_SPECIAL_METHODS
-// below.
+// Whether to support complete set of special methods for user
+// classes, or only the most used ones. "Inplace" methods are
+// controlled by MICROPY_PY_ALL_INPLACE_SPECIAL_METHODS below.
+// "Reverse" methods are controlled by
+// MICROPY_PY_REVERSE_SPECIAL_METHODS below.
 #ifndef MICROPY_PY_ALL_SPECIAL_METHODS
 #define MICROPY_PY_ALL_SPECIAL_METHODS (0)
 #endif
 
-// Whether to support reverse arithmetic operarions methods
-// (__radd__, etc.)
+// Whether to support all inplace arithmetic operarion methods
+// (__imul__, etc.)
+#ifndef MICROPY_PY_ALL_INPLACE_SPECIAL_METHODS
+#define MICROPY_PY_ALL_INPLACE_SPECIAL_METHODS (0)
+#endif
+
+// Whether to support reverse arithmetic operarion methods
+// (__radd__, etc.). Additionally gated by
+// MICROPY_PY_ALL_SPECIAL_METHODS.
 #ifndef MICROPY_PY_REVERSE_SPECIAL_METHODS
 #define MICROPY_PY_REVERSE_SPECIAL_METHODS (0)
 #endif
diff --git a/py/objtype.c b/py/objtype.c
index d1c1dcba4d..6e2ab6c9a8 100644
--- a/py/objtype.c
+++ b/py/objtype.c
@@ -422,11 +422,11 @@ const byte mp_binary_op_method_name[MP_BINARY_OP_NUM_RUNTIME] = {
     // MP_BINARY_OP_NOT_EQUAL, // a != b calls a == b and inverts result
     [MP_BINARY_OP_IN] = MP_QSTR___contains__,
 
-    #if MICROPY_PY_ALL_SPECIAL_METHODS
     // All inplace methods are optional, and normal methods will be used
     // as a fallback.
     [MP_BINARY_OP_INPLACE_ADD] = MP_QSTR___iadd__,
     [MP_BINARY_OP_INPLACE_SUBTRACT] = MP_QSTR___isub__,
+    #if MICROPY_PY_ALL_INPLACE_SPECIAL_METHODS
     [MP_BINARY_OP_INPLACE_MULTIPLY] = MP_QSTR___imul__,
     [MP_BINARY_OP_INPLACE_FLOOR_DIVIDE] = MP_QSTR___ifloordiv__,
     [MP_BINARY_OP_INPLACE_TRUE_DIVIDE] = MP_QSTR___itruediv__,