diff --git a/docs/deprecations.rst b/docs/deprecations.rst
index 48e8b6d93..47d1531ae 100644
--- a/docs/deprecations.rst
+++ b/docs/deprecations.rst
@@ -12,14 +12,6 @@ Deprecated features
 Below are features which are considered deprecated. Where appropriate,
 a ``DeprecationWarning`` is issued.
 
-Tk/Tcl 8.4
-~~~~~~~~~~
-
-.. deprecated:: 8.2.0
-
-Support for Tk/Tcl 8.4 is deprecated and will be removed in Pillow 10.0.0 (2023-07-01),
-when Tk/Tcl 8.5 will be the minimum supported.
-
 Categories
 ~~~~~~~~~~
 
@@ -210,6 +202,14 @@ Removed features
 Deprecated features are only removed in major releases after an appropriate
 period of deprecation has passed.
 
+Tk/Tcl 8.4
+~~~~~~~~~~
+
+.. deprecated:: 8.2.0
+.. versionremoved:: 10.0.0
+
+Support for Tk/Tcl 8.4 was removed in Pillow 10.0.0 (2023-07-01).
+
 PyQt5 and PySide2
 ~~~~~~~~~~~~~~~~~
 
diff --git a/src/PIL/_tkinter_finder.py b/src/PIL/_tkinter_finder.py
index 5cd7e9b1f..597c21b5e 100644
--- a/src/PIL/_tkinter_finder.py
+++ b/src/PIL/_tkinter_finder.py
@@ -4,8 +4,6 @@ import sys
 import tkinter
 from tkinter import _tkinter as tk
 
-from ._deprecate import deprecate
-
 try:
     if hasattr(sys, "pypy_find_executable"):
         TKINTER_LIB = tk.tklib_cffi.__file__
@@ -17,7 +15,3 @@ except AttributeError:
     TKINTER_LIB = None
 
 tk_version = str(tkinter.TkVersion)
-if tk_version == "8.4":
-    deprecate(
-        "Support for Tk/Tcl 8.4", 10, action="Please upgrade to Tk/Tcl 8.5 or newer"
-    )
diff --git a/src/Tk/_tkmini.h b/src/Tk/_tkmini.h
index 9852fc9d6..68247bc47 100644
--- a/src/Tk/_tkmini.h
+++ b/src/Tk/_tkmini.h
@@ -119,17 +119,7 @@ typedef struct Tk_PhotoImageBlock {
 } Tk_PhotoImageBlock;
 
 /* Typedefs derived from function signatures in Tk header */
-/* Tk_PhotoPutBlock for Tk <= 8.4 */
-typedef void (*Tk_PhotoPutBlock_84_t)(
-    Tk_PhotoHandle handle,
-    Tk_PhotoImageBlock *blockPtr,
-    int x,
-    int y,
-    int width,
-    int height,
-    int compRule);
-/* Tk_PhotoPutBlock for Tk >= 8.5 */
-typedef int (*Tk_PhotoPutBlock_85_t)(
+typedef int (*Tk_PhotoPutBlock_t)(
     Tcl_Interp *interp,
     Tk_PhotoHandle handle,
     Tk_PhotoImageBlock *blockPtr,
@@ -138,8 +128,6 @@ typedef int (*Tk_PhotoPutBlock_85_t)(
     int width,
     int height,
     int compRule);
-/* Tk_PhotoSetSize for Tk <= 8.4 */
-typedef void (*Tk_PhotoSetSize_84_t)(Tk_PhotoHandle handle, int width, int height);
 /* Tk_FindPhoto */
 typedef Tk_PhotoHandle (*Tk_FindPhoto_t)(Tcl_Interp *interp, const char *imageName);
 /* Tk_PhotoGetImage */
diff --git a/src/Tk/tkImaging.c b/src/Tk/tkImaging.c
index ad503baec..bd3cafe95 100644
--- a/src/Tk/tkImaging.c
+++ b/src/Tk/tkImaging.c
@@ -48,14 +48,11 @@
  * Global vars for Tcl / Tk functions.  We load these symbols from the tkinter
  * extension module or loaded Tcl / Tk libraries at run-time.
  */
-static int TK_LT_85 = 0;
 static Tcl_CreateCommand_t TCL_CREATE_COMMAND;
 static Tcl_AppendResult_t TCL_APPEND_RESULT;
 static Tk_FindPhoto_t TK_FIND_PHOTO;
 static Tk_PhotoGetImage_t TK_PHOTO_GET_IMAGE;
-static Tk_PhotoPutBlock_84_t TK_PHOTO_PUT_BLOCK_84;
-static Tk_PhotoSetSize_84_t TK_PHOTO_SET_SIZE_84;
-static Tk_PhotoPutBlock_85_t TK_PHOTO_PUT_BLOCK_85;
+static Tk_PhotoPutBlock_t TK_PHOTO_PUT_BLOCK;
 
 static Imaging
 ImagingFind(const char *name) {
@@ -130,26 +127,15 @@ PyImagingPhotoPut(
     block.pitch = im->linesize;
     block.pixelPtr = (unsigned char *)im->block;
 
-    if (TK_LT_85) { /* Tk 8.4 */
-        TK_PHOTO_PUT_BLOCK_84(
-            photo, &block, 0, 0, block.width, block.height, TK_PHOTO_COMPOSITE_SET);
-        if (strcmp(im->mode, "RGBA") == 0) {
-            /* Tk workaround: we need apply ToggleComplexAlphaIfNeeded */
-            /* (fixed in Tk 8.5a3) */
-            TK_PHOTO_SET_SIZE_84(photo, block.width, block.height);
-        }
-    } else {
-        /* Tk >=8.5 */
-        TK_PHOTO_PUT_BLOCK_85(
-            interp,
-            photo,
-            &block,
-            0,
-            0,
-            block.width,
-            block.height,
-            TK_PHOTO_COMPOSITE_SET);
-    }
+    TK_PHOTO_PUT_BLOCK(
+        interp,
+        photo,
+        &block,
+        0,
+        0,
+        block.width,
+        block.height,
+        TK_PHOTO_COMPOSITE_SET);
 
     return TCL_OK;
 }
@@ -290,16 +276,7 @@ get_tk(HMODULE hMod) {
     if ((TK_FIND_PHOTO = (Tk_FindPhoto_t)_dfunc(hMod, "Tk_FindPhoto")) == NULL) {
         return -1;
     };
-    TK_LT_85 = GetProcAddress(hMod, "Tk_PhotoPutBlock_Panic") == NULL;
-    /* Tk_PhotoPutBlock_Panic defined as of 8.5.0 */
-    if (TK_LT_85) {
-        TK_PHOTO_PUT_BLOCK_84 = (Tk_PhotoPutBlock_84_t)func;
-        return ((TK_PHOTO_SET_SIZE_84 =
-                     (Tk_PhotoSetSize_84_t)_dfunc(hMod, "Tk_PhotoSetSize")) == NULL)
-                   ? -1
-                   : 1;
-    }
-    TK_PHOTO_PUT_BLOCK_85 = (Tk_PhotoPutBlock_85_t)func;
+    TK_PHOTO_PUT_BLOCK = (Tk_PhotoPutBlock_t)func;
     return 1;
 }
 
@@ -422,18 +399,9 @@ _func_loader(void *lib) {
     if ((TK_FIND_PHOTO = (Tk_FindPhoto_t)_dfunc(lib, "Tk_FindPhoto")) == NULL) {
         return 1;
     }
-    /* Tk_PhotoPutBlock_Panic defined as of 8.5.0 */
-    TK_LT_85 = (dlsym(lib, "Tk_PhotoPutBlock_Panic") == NULL);
-    if (TK_LT_85) {
-        return (
-            ((TK_PHOTO_PUT_BLOCK_84 =
-                  (Tk_PhotoPutBlock_84_t)_dfunc(lib, "Tk_PhotoPutBlock")) == NULL) ||
-            ((TK_PHOTO_SET_SIZE_84 =
-                  (Tk_PhotoSetSize_84_t)_dfunc(lib, "Tk_PhotoSetSize")) == NULL));
-    }
     return (
-        (TK_PHOTO_PUT_BLOCK_85 =
-             (Tk_PhotoPutBlock_85_t)_dfunc(lib, "Tk_PhotoPutBlock")) == NULL);
+        (TK_PHOTO_PUT_BLOCK =
+             (Tk_PhotoPutBlock_t)_dfunc(lib, "Tk_PhotoPutBlock")) == NULL);
 }
 
 int