diff --git a/src/PIL/ImageTk.py b/src/PIL/ImageTk.py
index fb02b0211ca..a837cf77a51 100644
--- a/src/PIL/ImageTk.py
+++ b/src/PIL/ImageTk.py
@@ -183,7 +183,7 @@ def paste(self, im: Image.Image) -> None:
         image = im.im
         if not image.isblock() or im.mode != self.__mode:
             block = Image.core.new_block(self.__mode, im.size)
-            image.convert2(block, image)  # convert directly between buffers
+            image.convert2(block)  # convert directly between buffers
             ptr = block.ptr
 
         _pyimagingtkcall("PyImagingPhoto", self.__photo, ptr)
diff --git a/src/_imaging.c b/src/_imaging.c
index 9bdb6328782..04b5da3f68c 100644
--- a/src/_imaging.c
+++ b/src/_imaging.c
@@ -1029,15 +1029,12 @@ _convert(ImagingObject *self, PyObject *args) {
 
 static PyObject *
 _convert2(ImagingObject *self, PyObject *args) {
-    ImagingObject *imagep1;
-    ImagingObject *imagep2;
-    if (!PyArg_ParseTuple(
-            args, "O!O!", &Imaging_Type, &imagep1, &Imaging_Type, &imagep2
-        )) {
+    ImagingObject *imagep;
+    if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) {
         return NULL;
     }
 
-    if (!ImagingConvert2(imagep1->image, imagep2->image)) {
+    if (!ImagingConvert2(imagep->image, self->image)) {
         return NULL;
     }
 
@@ -4218,9 +4215,6 @@ static PyMethodDef functions[] = {
     {"new_arrow", (PyCFunction)_new_arrow, METH_VARARGS},
     {"merge", (PyCFunction)_merge, METH_VARARGS},
 
-    /* Functions */
-    {"convert", (PyCFunction)_convert2, METH_VARARGS},
-
     /* Codecs */
     {"bcn_decoder", (PyCFunction)PyImaging_BcnDecoderNew, METH_VARARGS},
     {"bcn_encoder", (PyCFunction)PyImaging_BcnEncoderNew, METH_VARARGS},