diff --git a/src/store/componentPin.ts b/src/store/componentPin.ts
index a0f203a..bc6f0f9 100644
--- a/src/store/componentPin.ts
+++ b/src/store/componentPin.ts
@@ -162,16 +162,6 @@ export class CCComponentPinStore extends EventEmitter<CCComponentPinStoreEvents>
 		return pin;
 	}
 
-	/**
-	 * Get all of pins by component id
-	 * @param componentId id of component
-	 * @returns pins of component
-	 * @deprecated in favor of {@link getManyByComponentId}
-	 */
-	getPinIdsByComponentId(componentId: CCComponentId): CCComponentPinId[] {
-		return this.getManyByComponentId(componentId).map((pin) => pin.id);
-	}
-
 	/**
 	 * Get all of pins by component id
 	 * @param componentId id of component
diff --git a/src/store/connection.ts b/src/store/connection.ts
index 7976f5e..9089ba7 100644
--- a/src/store/connection.ts
+++ b/src/store/connection.ts
@@ -185,17 +185,6 @@ export class CCConnectionStore extends EventEmitter<CCConnectionStoreEvents> {
 		);
 	}
 
-	/**
-	 * Check if no connection of the pin of the node existsno connection of the pin of the node exists
-	 * @param nodeId id of node
-	 * @param pinId id of pin
-	 * @returns if no connection of the pin of the node exists, `true` returns (otherwise `false`)
-	 * @deprecated in favor of {@link getConnectionsByNodePinId}
-	 */
-	hasNoConnectionOf(nodePinId: CCNodePinId): boolean {
-		return this.getConnectionsByNodePinId(nodePinId).length === 0;
-	}
-
 	/**
 	 * Create a new connection
 	 * @param partialConnection connection without `id`
diff --git a/src/store/node.ts b/src/store/node.ts
index af67c7e..edb6566 100644
--- a/src/store/node.ts
+++ b/src/store/node.ts
@@ -114,18 +114,6 @@ export class CCNodeStore extends EventEmitter<CCNodeStoreEvents> {
 		return this.#nodes.get(id);
 	}
 
-	/**
-	 * Get all of nodes by parent component id
-	 * @param parentComponentId id of parent component
-	 * @returns nodes of parent component
-	 * @deprecated in favor of {@link getManyByParentComponentId}
-	 */
-	getNodeIdsByParentComponentId(parentComponentId: CCComponentId): CCNodeId[] {
-		return this.getManyByParentComponentId(parentComponentId).map(
-			(node) => node.id,
-		);
-	}
-
 	getManyByParentComponentId(parentComponentId: CCComponentId): CCNode[] {
 		return [...this.#nodes.values()].filter(
 			(node) => node.parentComponentId === parentComponentId,