python
diff --git a/‎Doc/library/dis.rst
-4 b/‎Doc/library/dis.rst
-4
diff --git a/‎Include/internal/pycore_magic_number.h
+1-2 b/‎Include/internal/pycore_magic_number.h
+1-2
diff --git a/‎Include/internal/pycore_opcode_metadata.h
+1-8 b/‎Include/internal/pycore_opcode_metadata.h
+1-8
diff --git a/‎Include/internal/pycore_uop_ids.h
-1 b/‎Include/internal/pycore_uop_ids.h
-1
diff --git a/‎Include/internal/pycore_uop_metadata.h
-4 b/‎Include/internal/pycore_uop_metadata.h
-4
diff --git a/‎Include/opcode_ids.h
+110-111 b/‎Include/opcode_ids.h
+110-111
@@ -1370,10 +1370,6 @@ iterations of the loop.
    .. versionchanged:: 3.12
       Up until 3.11 the iterator was popped when it was exhausted.
 
-.. opcode:: CHECK_ITER
-
-   Check that ``STACK[-1]`` is an :term:`iterator`.
-
 .. opcode:: LOAD_GLOBAL (namei)
 
    Loads the global named ``co_names[namei>>1]`` onto the stack.
 
@@ -260,7 +260,6 @@ Known values:
     Python 3.14a1 3606 (Specialize CALL_KW)
     Python 3.14a1 3607 (Add pseudo instructions JUMP_IF_TRUE/FALSE)
     Python 3.14a1 3608 (Add support for slices)
-    Python 3.14a1 3609 (Add CHECK_ITER instruction)
 
     Python 3.15 will start with 3650
 
@@ -273,7 +272,7 @@ PC/launcher.c must also be updated.
 
 */
 
-#define PYC_MAGIC_NUMBER 3609
+#define PYC_MAGIC_NUMBER 3608
 /* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
    (little-endian) and then appending b'\r\n'. */
 #define PYC_MAGIC_NUMBER_TOKEN \