diff --git a/spacy/tests/doc/test_doc_api.py b/spacy/tests/doc/test_doc_api.py
index fa895919a..c5f138a01 100644
--- a/spacy/tests/doc/test_doc_api.py
+++ b/spacy/tests/doc/test_doc_api.py
@@ -984,34 +984,28 @@ def test_get_affixes_good_case(en_tokenizer, case_sensitive):
     doc = en_tokenizer("spaCy✨ and Prodigy")
     prefixes = doc.get_affixes(False, case_sensitive, 1, 5, "", 2, 3)
     suffixes = doc.get_affixes(True, case_sensitive, 2, 6, "xx✨rP", 2, 3)
-    assert prefixes[0][3, 3, 3] == suffixes[0][3, 3, 3]
-    assert prefixes[0][3, 3, 2] == suffixes[0][3, 3, 4]
-    assert (prefixes[0][0, :, 1:] == 0).all()
-    assert not (suffixes[0][0, :, 1:] == 0).all()
-    assert (suffixes[0][0, :, 2:] == 0).all()
-    assert (prefixes[0][1, :, 2:] == 0).all()
-    assert (prefixes[0][:, 1, 1:] == 0).all()
-    assert not (suffixes[0][1, :, 2:] == 0).all()
-    assert (suffixes[0][1, :, 3:] == 0).all()
-    assert suffixes[1][0][1].tolist() == [10024, 0]
+    assert prefixes[3][3, 3] == suffixes[3][3, 3]
+    assert prefixes[3][3, 2] == suffixes[3][3, 4]
+    assert suffixes[4][1].tolist() == [10024, 0]
     if case_sensitive:
-        assert suffixes[1][0][3].tolist() == [114, 80]
+        assert suffixes[4][3].tolist() == [114, 80]
     else:
-        assert suffixes[1][0][3].tolist() == [114, 112]
+        assert suffixes[4][3].tolist() == [114, 112]
     suffixes = doc.get_affixes(True, case_sensitive, 2, 6, "xx✨rp", 2, 3)
     if case_sensitive:
-        assert suffixes[1][0][3].tolist() == [114, 0]
+        assert suffixes[4][3].tolist() == [114, 0]
     else:
-        assert suffixes[1][0][3].tolist() == [114, 112]
+        assert suffixes[4][3].tolist() == [114, 112]
     
 
 
 def test_get_affixes_4_byte_normal_char(en_tokenizer):
     doc = en_tokenizer("and𐌞")
     suffixes = doc.get_affixes(True, False, 2, 6, "a", 1, 2)
-    assert (suffixes[0][:, 0, 1] == 55296).all()
-    assert suffixes[0][3, 0, 4] == 97
-    assert suffixes[1][0, 0, 0] == 97
+    for i in range(0, 4):
+        assert suffixes[i][0, 1] == 55296
+    assert suffixes[3][0, 4] == 97
+    assert suffixes[4][0, 0] == 97
 
 
 def test_get_affixes_4_byte_special_char(en_tokenizer):
diff --git a/spacy/tokens/doc.pyx b/spacy/tokens/doc.pyx
index 2aea6d9b4..3cd8281b8 100644
--- a/spacy/tokens/doc.pyx
+++ b/spacy/tokens/doc.pyx
@@ -1759,16 +1759,20 @@ cdef class Doc:
         cdef unsigned int sc_len = len(special_chars)
         cdef const unsigned char[:] sc_bytes = get_utf16_memoryview(special_chars, True)
         cdef np.ndarray[np.uint16_t, ndim=1] scs = numpy.ndarray((sc_len,), buffer=sc_bytes, dtype="uint16")
-        
-        cdef unsigned int num_tokens = len(self)
-        cdef np.ndarray[np.uint16_t, ndim=3] outputs = numpy.zeros(
-            (len_end - len_start, num_tokens, len_end - 1), dtype="uint16")
-        cdef np.ndarray[np.uint16_t, ndim=3] sc_outputs = numpy.zeros(
-            (sc_len_end - sc_len_start, num_tokens, sc_len_end - 1), dtype="uint16")
+        cdef np.ndarray[np.uint16_t, ndim=2] output
+        cdef unsigned int num_tokens = len(self), num_normal_affixes = len_end - len_start, working_len
+
+        outputs = []
+        for working_len in range(num_normal_affixes):
+            output = numpy.zeros((num_tokens, len_start + working_len), dtype="uint16")
+            outputs.append(output)
+        for working_len in range(sc_len_end - sc_len_start):
+            output = numpy.zeros((num_tokens, sc_len_start + working_len), dtype="uint16")
+            outputs.append(output)
 
         cdef const unsigned char[:] token_bytes
         cdef np.uint16_t working_char
-        cdef unsigned int token_bytes_len, token_idx, char_idx, working_len, sc_char_idx, sc_test_idx, working_sc_len
+        cdef unsigned int token_bytes_len, token_idx, char_idx, sc_char_idx, sc_test_idx, working_sc_len
         cdef unsigned int char_byte_idx
 
         for token_idx in range(num_tokens):
@@ -1786,19 +1790,19 @@ cdef class Doc:
                 for working_len in range(len_end-1, len_start-1, -1):
                     if char_idx >= working_len:
                         break
-                    outputs[working_len - len_start, token_idx, char_idx] = working_char
+                    outputs[working_len - len_start][token_idx, char_idx] = working_char
                 sc_test_idx = 0
                 while sc_len > sc_test_idx:
                     if working_char == scs[sc_test_idx]:
                         for working_sc_len in range(sc_len_end-1, sc_len_start-1, -1):
                             if sc_char_idx >= working_sc_len:
                                 break
-                            sc_outputs[working_sc_len - sc_len_start, token_idx, sc_char_idx] = working_char
+                            outputs[num_normal_affixes + working_sc_len - sc_len_start][token_idx, sc_char_idx] = working_char
                         sc_char_idx += 1
                         break
                     sc_test_idx += 1
                 char_idx += 1
-        return outputs, sc_outputs
+        return outputs
 
     @staticmethod
     def _get_array_attrs():