diff --git a/.ci-builds/data-filter.json b/.ci-builds/data-filter.json
index 6cb2cbeb630..72d5aa4abd9 100644
--- a/.ci-builds/data-filter.json
+++ b/.ci-builds/data-filter.json
@@ -6,5 +6,20 @@
       "de",
       "zh"
     ]
-  }
-}
\ No newline at end of file
+  },
+// Test mixed feature filter and resource filter
+  "featureFilters": {
+    "misc": {
+      "whitelist": ["supplementalData"]
+    }
+  },
+  "resourceFilters": [
+    {
+      "categories": ["misc"],
+      "files": {
+	"whitelist": ["supplementalData"]
+      },
+      "rules": ["+/*"]
+    }
+  ]
+}
diff --git a/icu4c/source/python/icutools/databuilder/request_types.py b/icu4c/source/python/icutools/databuilder/request_types.py
index eede2a2fc63..9a973faec1b 100644
--- a/icu4c/source/python/icutools/databuilder/request_types.py
+++ b/icu4c/source/python/icutools/databuilder/request_types.py
@@ -175,6 +175,7 @@ class RepeatedExecutionRequest(AbstractExecutionRequest):
     def _del_at(self, i):
         super(RepeatedExecutionRequest, self)._del_at(i)
         del self.output_files[i]
+        del self.specific_dep_files[i]
         for _, v in self.repeat_with.items():
             if isinstance(v, list):
                 del v[i]