diff --git a/src/calibre/devices/kindle/apnx.py b/src/calibre/devices/kindle/apnx.py
index ca90465278..19a7bfdff5 100644
--- a/src/calibre/devices/kindle/apnx.py
+++ b/src/calibre/devices/kindle/apnx.py
@@ -34,7 +34,6 @@ class APNXBuilder:
         FastPageGenerator.instance.name(): FastPageGenerator.instance,
         AccuratePageGenerator.instance.name(): AccuratePageGenerator.instance,
         PagebreakPageGenerator.instance.name(): PagebreakPageGenerator.instance,
-        AriaPagebreakPageGenerator.instance.name(): AriaPagebreakPageGenerator.instance,
         # ExactPageGenerator.instance.name(): ExactPageGenerator.instance,
     }
 
diff --git a/src/calibre/devices/kindle/apnx_page_generator/generators/aria_pagebreak_page_generator.py b/src/calibre/devices/kindle/apnx_page_generator/generators/aria_pagebreak_page_generator.py
deleted file mode 100644
index 9ea708597f..0000000000
--- a/src/calibre/devices/kindle/apnx_page_generator/generators/aria_pagebreak_page_generator.py
+++ /dev/null
@@ -1,84 +0,0 @@
-__license__ = 'GPL v3'
-__copyright__ = '2022, Vaso Peras-Likodric <vaso at vipl.in.rs>'
-__docformat__ = 'restructuredtext en'
-
-from calibre.devices.kindle.apnx_page_generator.generators.fast_page_generator import FastPageGenerator
-from calibre.devices.kindle.apnx_page_generator.i_page_generator import IPageGenerator
-from calibre.devices.kindle.apnx_page_generator.page_number_type import PageNumberTypes
-from calibre.devices.kindle.apnx_page_generator.pages import Pages
-from calibre.devices.kindle.apnx_page_generator.page_group import PageGroup
-import re
-
-roman_numeral_map = (('m', 1000), ('cm', 900), ('d', 500), ('cd', 400), ('c', 100), ('xc', 90), ('l', 50), ('xl', 40),
-                     ('x', 10), ('ix', 9), ('v', 5), ('iv', 4), ('i', 1))
-
-roman_numeral_pattern = re.compile("""^m{0,4}(cm|cd|d?c{0,3})(xc|xl|l?x{0,3})(ix|iv|V?i{0,3})$""", re.VERBOSE)
-
-
-def from_roman(s: str) -> int:
-    """convert Roman numeral to integer"""
-    if not s:
-        raise ValueError('Input can not be blank')
-    if not roman_numeral_pattern.match(s):
-        raise ValueError('Invalid Roman numeral: %s' % s)
-
-    result = 0
-    index = 0
-    for numeral, integer in roman_numeral_map:
-        while s[index:index + len(numeral)] == numeral:
-            result += integer
-            index += len(numeral)
-    return result
-
-
-class LabelDescriptor:
-    def __init__(self, label: str, value: int, label_type: PageNumberTypes):
-        self.label: str = label
-        self.value: int = value
-        self.label_type: PageNumberTypes = label_type
-
-
-class AriaPagebreakPageGenerator(IPageGenerator):
-
-    def name(self) -> str:
-        return "aria_pagebreak"
-
-    def _generate_fallback(self, mobi_file_path: str, real_count: int | None) -> Pages:
-        return FastPageGenerator.instance.generate(mobi_file_path, real_count)
-
-    def _generate(self, mobi_file_path: str, real_count: int | None) -> Pages:
-        html = self.mobi_html(mobi_file_path)
-        pages = Pages()
-
-        for m in re.finditer(b'<[^>]*role="doc-pagebreak"[^>]*aria-label="([^"|]+)"[^>]*>', html):
-            label_descriptor = self.get_label(m.group(1))
-            if pages.number_of_pages == 0:
-                pages.append(PageGroup(m.end(), label_descriptor.label_type, label_descriptor.value,
-                                       label_descriptor.label))
-            elif (
-                    pages.last_group.last_value == label_descriptor.value - 1 or label_descriptor.label_type ==
-                    PageNumberTypes.Custom) and pages.last_group.page_number_types == label_descriptor.label_type:
-
-                if label_descriptor.label_type != PageNumberTypes.Custom:
-                    pages.last_group.append(m.end())
-                else:
-                    pages.last_group.append((m.end(), label_descriptor.label))
-            else:
-                pages.append(PageGroup(m.end(), label_descriptor.label_type, label_descriptor.value,
-                                       label_descriptor.label))
-
-        return pages
-
-    @staticmethod
-    def get_label(label: bytes) -> LabelDescriptor:
-        label_string = label.decode()
-        try:
-            return LabelDescriptor(label_string, int(label_string), PageNumberTypes.Arabic)
-        except ValueError:
-            try:
-                return LabelDescriptor(label_string, from_roman(label_string), PageNumberTypes.Roman)
-            except ValueError:
-                return LabelDescriptor(label_string, 0, PageNumberTypes.Custom)
-
-
-AriaPagebreakPageGenerator.instance = AriaPagebreakPageGenerator()