diff --git a/urls/_2024.py b/urls/_2024.py
index 0e7252a..ea86417 100644
--- a/urls/_2024.py
+++ b/urls/_2024.py
@@ -283,16 +283,6 @@
 
     # 2024.5
 
-    # these are only used in the deprecated resources page
-    '2024.5/common/sepp-refs-silva-128.qza':
-        'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.5/common/sepp-refs-silva-128.qza',
-
-    # these are used in tutorials
-    '2024.5/common/gg-13-8-99-515-806-nb-classifier.qza':
-        'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.5/common/gg-13-8-99-515-806-nb-classifier.qza',
-    '2024.5/common/sepp-refs-gg-13-8.qza':
-        'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.5/common/sepp-refs-gg-13-8.qza',
-
     '2024.5/tutorials/atacama-soils/10p/barcodes.fastq.gz':
         'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.5/tutorials/atacama-soils/10p/barcodes.fastq.gz',
     '2024.5/tutorials/atacama-soils/10p/forward.fastq.gz':
@@ -498,16 +488,6 @@
 
     # 2024.10
 
-    # these are only used in the deprecated resources page
-    '2024.10/common/sepp-refs-silva-128.qza':
-        'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.10/common/sepp-refs-silva-128.qza',
-
-    # these are used in tutorials
-    '2024.10/common/gg-13-8-99-515-806-nb-classifier.qza':
-        'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.10/common/gg-13-8-99-515-806-nb-classifier.qza',
-    '2024.10/common/sepp-refs-gg-13-8.qza':
-        'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.10/common/sepp-refs-gg-13-8.qza',
-
     '2024.10/tutorials/atacama-soils/10p/barcodes.fastq.gz':
         'https://s3-us-west-2.amazonaws.com/qiime2-data/2024.10/tutorials/atacama-soils/10p/barcodes.fastq.gz',
     '2024.10/tutorials/atacama-soils/10p/forward.fastq.gz':
diff --git a/urls/_classifiers.py b/urls/_classifiers.py
index b86b608..56ebf4f 100644
--- a/urls/_classifiers.py
+++ b/urls/_classifiers.py
@@ -9,6 +9,14 @@
 # flake8: noqa
 
 MAP_CLASSIFIERS = {
+    # sklearn 0.21.2
+
+    # SEPP reference databases
+    'classifiers/sklearn-0.21.2/sepp-ref-dbs/sepp-refs-gg-13-8.qza':
+        'https://s3-us-west-2.amazonaws.com/qiime2-data/classifiers/sklearn-0.21.2/sepp-ref-dbs/sepp-refs-gg-13-8.qza',
+    'classifiers/sklearn-0.21.2/sepp-ref-dbs/sepp-refs-silva-128.qza':
+        'https://s3-us-west-2.amazonaws.com/qiime2-data/classifiers/sklearn-0.21.2/sepp-ref-dbs/sepp-refs-silva-128.qza',
+
     # sklearn 0.24.1
 
     # Greengenes
@@ -25,6 +33,10 @@
 
     # sklearn 1.4.2
 
+    # Greengenes
+    'classifiers/sklearn-1.4.2/greengenes/gg-13-8-99-515-806-nb-classifier.qza':
+        'https://s3-us-west-2.amazonaws.com/qiime2-data/classifiers/sklearn-1.4.2/greengenes/gg-13-8-99-515-806-nb-classifier.qza',
+
     # Greengenes 2
     'classifiers/sklearn-1.4.2/greengenes2/2022.10.backbone.full-length.nb.sklearn-1.4.2.qza':
         'https://s3-us-west-2.amazonaws.com/qiime2-data/classifiers/sklearn-1.4.2/greengenes2/2022.10.backbone.full-length.nb.sklearn-1.4.2.qza',