diff --git a/src/AppForServer.ts b/src/AppForServer.ts
index ef2d1543..e6efba9d 100644
--- a/src/AppForServer.ts
+++ b/src/AppForServer.ts
@@ -45,7 +45,7 @@ function htmlCompiler(file) {
   return file;
 }
 
-type CompilerFunciton = (file: string, filename?: string, options?: unknown) => string;
+type CompilerFunction = (file: string, filename?: string, options?: unknown) => string;
 
 function watchOnce(filenames, callback) {
   const watcher = chokidar.watch(filenames);
@@ -64,7 +64,7 @@ function watchOnce(filenames, callback) {
 
 export class AppForServer extends App {
   agents: Record<string, Agent>;
-  compilers: Record<string, CompilerFunciton>;
+  compilers: Record<string, CompilerFunction>;
   scriptBaseUrl: string;
   scriptCrossOrigin: boolean;
   scriptFilename: string;
diff --git a/src/components.ts b/src/components.ts
index 047397b3..1b4c7970 100644
--- a/src/components.ts
+++ b/src/components.ts
@@ -459,7 +459,6 @@ export class ComponentFactory {
 
   init(context: Context) {
     const DataConstructor = this.constructorFn.DataConstructor || ComponentModelData;
-    // @TODO: verify types form DataConstructor, is there more appropriate type?
     const data = new DataConstructor();
     // eslint-disable-next-line new-cap
     const component = new this.constructorFn(context, data);
diff --git a/src/index.ts b/src/index.ts
index 3ef86170..39331ca1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -32,6 +32,5 @@ export function use<T = unknown>(plugin: (derby: Derby, options?: T) => Derby, o
 
 export {
   DerbyForClient as Derby,
-  instance,
   util,
 }