diff --git a/source/repositories/calendar.ts b/source/repositories/calendar.ts
index abfea1c..0fc9362 100644
--- a/source/repositories/calendar.ts
+++ b/source/repositories/calendar.ts
@@ -251,7 +251,7 @@ namespace _zeitbild.repository.calendar
 				{"level": access_attributed_row["level"]}
 			);
 		}
-		await _zeitbild.cache.clear();
+		await lib_plankton.cache.clear(_zeitbild.cache_regular);
 		return Promise.resolve<_zeitbild.type_calendar_id>(calendar_id);
 	}
 	
@@ -313,7 +313,7 @@ namespace _zeitbild.repository.calendar
 				);
 			}
 		}
-		await _zeitbild.cache.clear();
+		await lib_plankton.cache.clear(_zeitbild.cache_regular);
 		return Promise.resolve<void>(undefined);
 	}
 	
@@ -325,7 +325,7 @@ namespace _zeitbild.repository.calendar
 		calendar_id : _zeitbild.type_calendar_id
 	) : Promise<void>
 	{
-		await _zeitbild.cache.clear();
+		await lib_plankton.cache.clear(_zeitbild.cache_regular);
 		const core_store = get_core_store();
 		const access_attributed_chest = get_access_attributed_chest();
 		// attributed access
@@ -375,11 +375,12 @@ namespace _zeitbild.repository.calendar
 	>
 	{
 		return lib_plankton.cache.get_complex<any, Array<type_overview_entry>>(
-			_zeitbild.cache,
+			_zeitbild.cache_regular,
 			"calendar_overview",
 			{
 				"user_id": user_id,
 			},
+			null,
 			() => (
 				lib_plankton.file.read("sql/calendar_overview.sql")
 				.then(
diff --git a/source/repositories/resource.ts b/source/repositories/resource.ts
index 6bae0ca..a191bfd 100644
--- a/source/repositories/resource.ts
+++ b/source/repositories/resource.ts
@@ -401,7 +401,7 @@ namespace _zeitbild.repository.resource
 						"sub_id": local_resource_id,
 					}
 				);
-				await _zeitbild.cache.clear();
+				await lib_plankton.cache.clear(_zeitbild.cache_regular);
 				return Promise.resolve<_zeitbild.type_resource_id>(resource_id);
 				break;
 			}
@@ -419,7 +419,7 @@ namespace _zeitbild.repository.resource
 						"sub_id": caldav_resource_id,
 					}
 				);
-				await _zeitbild.cache.clear();
+				await lib_plankton.cache.clear(_zeitbild.cache_regular);
 				return Promise.resolve<_zeitbild.type_resource_id>(resource_id);
 				break;
 			}
@@ -499,7 +499,7 @@ namespace _zeitbild.repository.resource
 							"read_only": resource_object.data.read_only,
 						}
 					);
-					await _zeitbild.cache.clear();
+					await lib_plankton.cache.clear(_zeitbild.cache_regular);
 					break;
 				}
 				default: {
@@ -561,7 +561,7 @@ namespace _zeitbild.repository.resource
 					}
 				)
 			);
-			await _zeitbild.cache.clear();
+			await lib_plankton.cache.clear(_zeitbild.cache_regular);
 			return Promise.resolve(local_resource_event_id);
 		}
 	}
@@ -589,7 +589,7 @@ namespace _zeitbild.repository.resource
 					}
 				)
 			);
-			await _zeitbild.cache.clear();
+			await lib_plankton.cache.clear(_zeitbild.cache_regular);
 			return Promise.resolve<void>(undefined);
 		}
 	}
@@ -602,7 +602,7 @@ namespace _zeitbild.repository.resource
 		local_resource_event_id : _zeitbild.type_local_resource_event_id
 	) : Promise<void>
 	{
-		await _zeitbild.cache.clear();
+		await lib_plankton.cache.clear(_zeitbild.cache_regular);
 		const dataset_core : Record<string, any> = await get_resource_core_store().read(resource_id);
 		if (! (dataset_core.kind === "local")) {
 			throw (new Error("not a local resource"));