diff --git a/CHANGES.rst b/CHANGES.rst
index afe5cb1b9..c812a9e00 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -38,7 +38,7 @@ Changelog (Pillow)
   [AbdealiJK]
   
 - Binary Tiff Metadata/ICC profile. #1988
-  [wiredfool] 
+  [wiredfool]
   
 - Ignore large text blocks in PNG if LOAD_TRUNCATED_IMAGES is enabled #1970
   [homm]
diff --git a/docs/handbook/image-file-formats.rst b/docs/handbook/image-file-formats.rst
index 54db248a6..b680072ac 100644
--- a/docs/handbook/image-file-formats.rst
+++ b/docs/handbook/image-file-formats.rst
@@ -417,7 +417,7 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options:
     (it is set to 9 regardless of a value passed).
 
 **icc_profile**
-    The ICC Profile to include in the saved file. 
+    The ICC Profile to include in the saved file.
 
 **bits (experimental)**
     For ``P`` images, this option controls how many bits to store. If omitted,
diff --git a/docs/handbook/writing-your-own-file-decoder.rst b/docs/handbook/writing-your-own-file-decoder.rst
index c8be936af..1affdc40d 100644
--- a/docs/handbook/writing-your-own-file-decoder.rst
+++ b/docs/handbook/writing-your-own-file-decoder.rst
@@ -322,7 +322,7 @@ There are 3 stages in a file decoder's lifetime:
 
 
 Setup
------ 
+-----
 
 The current conventions are that the decoder setup function is named
 ``PyImaging_[Decodername]DecoderNew`` and defined in ``decode.c``. The
@@ -334,15 +334,15 @@ The setup function needs to call ``PyImaging_DecoderNew`` and at the
 very least, set the ``decode`` function pointer. The fields of
 interest in this object are:
 
-**decode** 
+**decode**
   Function pointer to the decode function, which has access to
   ``im``, ``state``, and the buffer of data to be added to the image.
 
-**cleanup** 
+**cleanup**
   Function pointer to the cleanup function, has access to ``state``.
 
-**im** 
-  The target image, will be set by Pillow.  
+**im**
+  The target image, will be set by Pillow.
 
 **state**
   An ImagingCodecStateInstance, will be set by Pillow. The **context**
@@ -350,7 +350,7 @@ interest in this object are:
   any format specific state or options.
 
 **handles_eof**
-  UNDONE, set if your code handles EOF errors. 
+  UNDONE, set if your code handles EOF errors.
 
 **pulls_fd**
   **EXPERIMENTAL** -- **WARNING**, interface may change. If set to 1,
@@ -380,9 +380,9 @@ call to the decoder will include the previous unconsumed tail. The
 decoder function will be called multiple times as the data is read
 from the file like object.
 
-If an error occurs, set ``state->errcode`` and return -1. 
+If an error occurs, set ``state->errcode`` and return -1.
 
-Return -1 on success, without setting the errcode. 
+Return -1 on success, without setting the errcode.
 
 Cleanup
 -------
diff --git a/docs/releasenotes/3.3.0.rst b/docs/releasenotes/3.3.0.rst
index b8addfabd..544c7162e 100644
--- a/docs/releasenotes/3.3.0.rst
+++ b/docs/releasenotes/3.3.0.rst
@@ -42,7 +42,7 @@ Rotation
 
 Rotation for angles divisible by 90 degrees now always uses transposition.
 This greatly improve both quality and performance in this cases.
-Also, the bug with wrong image size calculation when rotating by 90 degrees 
+Also, the bug with wrong image size calculation when rotating by 90 degrees
 was fixed.
 
 
diff --git a/libImaging/Draw.c b/libImaging/Draw.c
index ef3f54dc0..ca26282be 100644
--- a/libImaging/Draw.c
+++ b/libImaging/Draw.c
@@ -463,7 +463,7 @@ polygon_generic(Imaging im, int n, Edge *e, int ink, int eofill,
     }
 
     /* Process the edge table with a scan line searching for intersections */
-    /* malloc check ok, using calloc */ 
+    /* malloc check ok, using calloc */
     xx = calloc(edge_count * 2, sizeof(float));
     if (!xx) {
         free(edge_table);
diff --git a/libImaging/Jpeg2KDecode.c b/libImaging/Jpeg2KDecode.c
index 250860009..5afa4a23d 100644
--- a/libImaging/Jpeg2KDecode.c
+++ b/libImaging/Jpeg2KDecode.c
@@ -776,7 +776,7 @@ ImagingJpeg2KDecode(Imaging im, ImagingCodecState state, UINT8* buf, int bytes)
         state->errcode = IMAGING_CODEC_BROKEN;
         state->state = J2K_STATE_FAILED;
         return -1;
-    }       
+    }
 
     if (state->state == J2K_STATE_DONE || state->state == J2K_STATE_FAILED)
         return -1;
diff --git a/libImaging/Quant.c b/libImaging/Quant.c
index f041451be..7d24e7812 100644
--- a/libImaging/Quant.c
+++ b/libImaging/Quant.c
@@ -971,7 +971,7 @@ compute_palette_from_median_cut(
       avg[i]=NULL;
    }
    for(i=0;i<3;i++) {
-      /* malloc check ok, using calloc */     
+      /* malloc check ok, using calloc */
       if (!(avg[i]=calloc(nPaletteEntries, sizeof(uint32_t)))) {
          for(i=0;i<3;i++) {
             if (avg[i]) free (avg[i]);
diff --git a/libImaging/QuantHeap.c b/libImaging/QuantHeap.c
index 2a4a5adc0..d6b920787 100644
--- a/libImaging/QuantHeap.c
+++ b/libImaging/QuantHeap.c
@@ -51,7 +51,7 @@ static int _heap_grow(Heap *h,int newsize) {
    if (newsize > INT_MAX / sizeof(void *)){
        return 0;
    }
-   /* malloc check ok, using calloc for overflow, also checking 
+   /* malloc check ok, using calloc for overflow, also checking
       above due to memcpy below*/
    newheap=calloc(newsize, sizeof(void *));
    if (!newheap) return 0;
@@ -144,9 +144,9 @@ Heap *ImagingQuantHeapNew(HeapCmpFunc cf) {
    h->heapsize=INITIAL_SIZE;
    /* malloc check ok, using calloc for overflow */
    h->heap=calloc(h->heapsize, sizeof(void *));
-   if (!h->heap) { 
-       free(h); 
-       return NULL; 
+   if (!h->heap) {
+       free(h);
+       return NULL;
    }
    h->heapcount=0;
    h->cf=cf;
diff --git a/libImaging/RankFilter.c b/libImaging/RankFilter.c
index 9294530c8..c0cb364c9 100644
--- a/libImaging/RankFilter.c
+++ b/libImaging/RankFilter.c
@@ -61,7 +61,7 @@ ImagingRankFilter(Imaging im, int size, int rank)
         return (Imaging) ImagingError_ValueError("bad filter size");
     
     /* malloc check ok, for overflow in the define below */
-    if (size > INT_MAX / size || 
+    if (size > INT_MAX / size ||
         size > INT_MAX / (size * sizeof(FLOAT32))) {
         return (Imaging) ImagingError_ValueError("filter size too large");
     }
diff --git a/libImaging/codec_fd.c b/libImaging/codec_fd.c
index 33954ece0..d6590629c 100644
--- a/libImaging/codec_fd.c
+++ b/libImaging/codec_fd.c
@@ -3,7 +3,7 @@
 #include "../py3.h"
 
 
-Py_ssize_t 
+Py_ssize_t
 _imaging_read_pyFd(PyObject *fd, char* dest, Py_ssize_t bytes)
 {
     /* dest should be a buffer bytes long, returns length of read
@@ -17,7 +17,7 @@ _imaging_read_pyFd(PyObject *fd, char* dest, Py_ssize_t bytes)
     result = PyObject_CallMethod(fd, "read", "n", bytes);
 
     bytes_result = PyBytes_AsStringAndSize(result, &buffer, &length);
-    if (bytes_result == -1) { 
+    if (bytes_result == -1) {
         goto err;
     }
     
@@ -25,18 +25,18 @@ _imaging_read_pyFd(PyObject *fd, char* dest, Py_ssize_t bytes)
         goto err;
     }
     
-    memcpy(dest, buffer, length); 
+    memcpy(dest, buffer, length);
 
     Py_DECREF(result);
     return length;
 
  err:
     Py_DECREF(result);
-    return -1;  
+    return -1;
       
 }
 
-Py_ssize_t 
+Py_ssize_t
 _imaging_write_pyFd(PyObject *fd, char* src, Py_ssize_t bytes)
 {
 
@@ -60,7 +60,7 @@ _imaging_seek_pyFd(PyObject *fd, Py_ssize_t offset, int whence)
     
     result = PyObject_CallMethod(fd, "seek", "ni", offset, whence);
 
-    Py_DECREF(result);   
+    Py_DECREF(result);
     return 0;
 
 }