diff --git a/CHANGES.rst b/CHANGES.rst
index 7f0c4049a7..403e2a9d23 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -41,6 +41,7 @@ Changelog
 
 **Removed**
 
+- #1535 Remove `zcatalog` monkey (and `getRequestUID` index)
 - #1518 Removed stale indexes from `analysis_catalog`
 - #1516 Removed getResultsRange metadata from analysis_catalog
 - #1487 Dexterity Compatible Catalog Base Class
diff --git a/bika/lims/browser/analysisrequest/tables.py b/bika/lims/browser/analysisrequest/tables.py
index 54b42e681d..72f7daae75 100644
--- a/bika/lims/browser/analysisrequest/tables.py
+++ b/bika/lims/browser/analysisrequest/tables.py
@@ -33,7 +33,7 @@ def __init__(self, context, request):
 
         self.contentFilter.update({
             "getPointOfCapture": "lab",
-            "getRequestUID": api.get_uid(context)
+            "getAncestorsUIDs": [api.get_uid(context)]
         })
 
         self.form_id = "lab_analyses"
@@ -52,7 +52,7 @@ def __init__(self, context, request):
 
         self.contentFilter.update({
             "getPointOfCapture": "field",
-            "getRequestUID": api.get_uid(context)
+            "getAncestorsUIDs": [api.get_uid(context)]
         })
 
         self.form_id = "field_analyses"
diff --git a/bika/lims/catalog/analysis_catalog.py b/bika/lims/catalog/analysis_catalog.py
index 4e85931638..ea511dc8b6 100644
--- a/bika/lims/catalog/analysis_catalog.py
+++ b/bika/lims/catalog/analysis_catalog.py
@@ -37,7 +37,6 @@
 _indexes_dict = {
     "sortable_title": "FieldIndex",
     "getParentUID": "FieldIndex",
-    "getRequestUID": "FieldIndex",
     "getDueDate": "DateIndex",
     "getDateReceived": "DateIndex",
     "getResultCaptureDate": "DateIndex",
diff --git a/bika/lims/monkey/configure.zcml b/bika/lims/monkey/configure.zcml
index 9bc64bdfba..cc2a1cb013 100644
--- a/bika/lims/monkey/configure.zcml
+++ b/bika/lims/monkey/configure.zcml
@@ -58,12 +58,4 @@
       replacement=".Widget.isVisible"
       />
 
-  <!-- Mask analyses with those from descendants (partitioning) -->
-  <monkey:patch
-    description=""
-    class="Products.ZCatalog.ZCatalog.ZCatalog"
-    original="searchResults"
-    replacement=".zcatalog.searchResults"
-  />
-
 </configure>
diff --git a/bika/lims/monkey/zcatalog.py b/bika/lims/monkey/zcatalog.py
deleted file mode 100644
index a93b5895d6..0000000000
--- a/bika/lims/monkey/zcatalog.py
+++ /dev/null
@@ -1,47 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# This file is part of SENAITE.CORE.
-#
-# SENAITE.CORE is free software: you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
-# details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 51
-# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-#
-# Copyright 2018-2020 by it's authors.
-# Some rights reserved, see README and LICENSE.
-
-from bika.lims.catalog.analysis_catalog import CATALOG_ANALYSIS_LISTING
-
-
-def searchResults(self, REQUEST=None, used=None, **kw):
-    """Search the catalog
-
-    Search terms can be passed in the REQUEST or as keyword
-    arguments.
-
-    The used argument is now deprecated and ignored
-    """
-    if REQUEST and REQUEST.get('getRequestUID') \
-            and self.id == CATALOG_ANALYSIS_LISTING:
-
-        # Fetch all analyses that have the request UID passed in as an ancestor,
-        # cause we want for Samples to always return the contained analyses plus
-        # those contained in partitions
-        request = REQUEST.copy()
-        orig_uid = request.get('getRequestUID')
-
-        # Get all analyses, those from descendant ARs included
-        del request['getRequestUID']
-        request['getAncestorsUIDs'] = orig_uid
-        return self.searchResults(REQUEST=request, used=used, **kw)
-
-    # Normal search
-    return self._catalog.searchResults(REQUEST, used, **kw)
diff --git a/bika/lims/upgrade/v01_03_003.py b/bika/lims/upgrade/v01_03_003.py
index 815002103e..a04069f3d3 100644
--- a/bika/lims/upgrade/v01_03_003.py
+++ b/bika/lims/upgrade/v01_03_003.py
@@ -216,6 +216,7 @@
     # Only used in Add analyses (as sortable column)
     (CATALOG_ANALYSIS_LISTING, "getClientOrderNumber"),
     (CATALOG_ANALYSIS_LISTING, "getDateSampled"),
+    (CATALOG_ANALYSIS_LISTING, "getRequestUID"),
 
 ]