diff --git a/src/cli/codegen_templates/component_server.ts b/src/cli/codegen_templates/component_server.ts
index b010575..49fcc0d 100644
--- a/src/cli/codegen_templates/component_server.ts
+++ b/src/cli/codegen_templates/component_server.ts
@@ -19,8 +19,8 @@ import { Value, jsonToConvex } from "../../values/value.js";
 import { z } from "zod";
 import { encodeDefinitionPath } from "../lib/components/definition/bundle.js";
 
-export function componentServerJS(isRoot: boolean): string {
-  let result = `
+export function componentServerJS(): string {
+  const result = `
   ${header(
     "Generated utilities for implementing server-side Convex query and mutation functions.",
   )}
@@ -33,7 +33,6 @@ export function componentServerJS(isRoot: boolean): string {
     internalMutationGeneric,
     internalQueryGeneric,
     componentsGeneric,
-    createComponentArg,
   } from "convex/server";
 
   /**
@@ -108,11 +107,6 @@ export function componentServerJS(isRoot: boolean): string {
 
   export const components = componentsGeneric();
   `;
-  if (!isRoot) {
-    result += `
-    export const componentArg = createComponentArg();
-    `;
-  }
   return result;
 }
 
@@ -265,11 +259,6 @@ export function componentServerStubDTS(isRoot: boolean): string {
   result += `
   export declare const components: AnyComponents;
   `;
-  if (!isRoot) {
-    result += `
-    export declare const componentArg: (ctx: GenericCtx, name: string) => any;
-    `;
-  }
   return result;
 }
 
@@ -316,19 +305,6 @@ export async function componentServerDTS(
 
   result.push("};");
 
-  const definitionType = analysis.definition.definitionType;
-  if (definitionType.type === "childComponent") {
-    result.push(`type ComponentArgs = {`);
-    for (const [name, { value: serializedValidator }] of definitionType.args) {
-      const validatorType = validatorToType(JSON.parse(serializedValidator));
-      result.push(`${name}: ${validatorType},`);
-    }
-    result.push("};");
-    result.push(
-      `export declare const componentArg: <Name extends keyof ComponentArgs>(ctx: GenericCtx, name: Name) => ComponentArgs[Name];`,
-    );
-  }
-
   return result.join("\n");
 }
 
diff --git a/src/cli/lib/codegen.ts b/src/cli/lib/codegen.ts
index eb4d9cc..06e3def 100644
--- a/src/cli/lib/codegen.ts
+++ b/src/cli/lib/codegen.ts
@@ -392,7 +392,7 @@ async function doInitialComponentServerCodegen(
   await writeFormattedFile(
     ctx,
     tmpDir,
-    componentServerJS(isRoot),
+    componentServerJS(),
     "typescript",
     path.join(codegenDir, "server.js"),
     opts,
diff --git a/src/server/components/index.ts b/src/server/components/index.ts
index 0dbe1ab..e3c7842 100644
--- a/src/server/components/index.ts
+++ b/src/server/components/index.ts
@@ -1,18 +1,12 @@
-import {
-  Infer,
-  ObjectType,
-  PropertyValidators,
-  convexToJson,
-  jsonToConvex,
-} from "../../values/index.js";
+import { PropertyValidators, convexToJson } from "../../values/index.js";
 import {
   AnyFunctionReference,
   FunctionReference,
   FunctionType,
 } from "../api.js";
 import { getFunctionAddress } from "../impl/actions_impl.js";
-import { performAsyncSyscall, performSyscall } from "../impl/syscall.js";
-import { DefaultFunctionArgs, EmptyObject } from "../registration.js";
+import { performAsyncSyscall } from "../impl/syscall.js";
+import { DefaultFunctionArgs } from "../registration.js";
 import {
   AppDefinitionAnalysis,
   ComponentDefinitionAnalysis,
@@ -73,35 +67,19 @@ export interface InitCtx {}
  *
  * @internal
  */ // eslint-disable-next-line @typescript-eslint/ban-types
-export type ComponentDefinition<
-  Args extends PropertyValidators = EmptyObject,
-  Exports extends ComponentExports = any,
-> = {
+export type ComponentDefinition<Exports extends ComponentExports = any> = {
   /**
    * Install a component with the given definition in this component definition.
    *
-   * Takes a component definition, an optional name, and the args it requires.
+   * Takes a component definition, and an optional name.
    *
    * For editor tooling this method expects a {@link ComponentDefinition}
    * but at runtime the object that is imported will be a {@link ImportedComponentDefinition}
    */
-  install<Definition extends ComponentDefinition<any, any>>(
-    definition: Definition,
-    options: {
-      name?: string;
-      // TODO we have to do the "arguments are optional if empty, otherwise required"
-      args?: ObjectType<ComponentDefinitionArgs<Definition>>;
-    },
-  ): InstalledComponent<Definition>;
-
-  installWithInit<Definition extends ComponentDefinition<any, any>>(
+  install<Definition extends ComponentDefinition<any>>(
     definition: Definition,
-    options: {
+    options?: {
       name?: string;
-      onInit: (
-        ctx: InitCtx,
-        args: ObjectType<Args>,
-      ) => ObjectType<ComponentDefinitionArgs<Definition>>;
     },
   ): InstalledComponent<Definition>;
 
@@ -112,21 +90,13 @@ export type ComponentDefinition<
    */
   mountHttp(pathPrefix: string, component: InstalledComponent<any>): void;
 
-  // TODO this will be needed once components are responsible for building interfaces for themselves
-  /**
-   * @internal
-   */
-  __args: Args;
-
   /**
    * @internal
    */
   __exports: Exports;
 };
 
-type ComponentDefinitionArgs<T extends ComponentDefinition<any, any>> =
-  T["__args"];
-type ComponentDefinitionExports<T extends ComponentDefinition<any, any>> =
+type ComponentDefinitionExports<T extends ComponentDefinition<any>> =
   T["__exports"];
 
 /**
@@ -144,11 +114,10 @@ export type AppDefinition = {
    * For editor tooling this method expects a {@link ComponentDefinition}
    * but at runtime the object that is imported will be a {@link ImportedComponentDefinition}
    */
-  install<Definition extends ComponentDefinition<any, any>>(
+  install<Definition extends ComponentDefinition<any>>(
     definition: Definition,
-    options: {
+    options?: {
       name?: string;
-      args?: ObjectType<ComponentDefinitionArgs<Definition>>;
     },
   ): InstalledComponent<Definition>;
 
@@ -186,7 +155,7 @@ type AppDefinitionData = CommonDefinitionData;
 /**
  * Used to refer to an already-installed component.
  */
-class InstalledComponent<Definition extends ComponentDefinition<any, any>> {
+class InstalledComponent<Definition extends ComponentDefinition<any>> {
   /**
    * @internal
    */
@@ -236,36 +205,8 @@ function createExports(name: string, pathParts: string[]): any {
 function install<Definition extends ComponentDefinition<any>>(
   this: CommonDefinitionData,
   definition: Definition,
-  options: {
+  options?: {
     name?: string;
-    args?: Infer<ComponentDefinitionArgs<Definition>>;
-  } = {},
-): InstalledComponent<Definition> {
-  // At runtime an imported component will have this shape.
-  const importedComponentDefinition =
-    definition as unknown as ImportedComponentDefinition;
-  if (typeof importedComponentDefinition.componentDefinitionPath !== "string") {
-    throw new Error(
-      "Component definition does not have the required componentDefinitionPath property. This code only works in Convex runtime.",
-    );
-  }
-  const name =
-    options.name ||
-    importedComponentDefinition.componentDefinitionPath.split("/").pop()!;
-  this._childComponents.push([
-    name,
-    importedComponentDefinition,
-    options.args ?? {},
-  ]);
-  return new InstalledComponent(definition, name);
-}
-
-function installWithInit<Definition extends ComponentDefinition<any>>(
-  this: ComponentDefinitionData,
-  definition: Definition,
-  options: {
-    name?: string;
-    onInit: (ctx: InitCtx, args: any) => any;
   },
 ): InstalledComponent<Definition> {
   // At runtime an imported component will have this shape.
@@ -277,23 +218,12 @@ function installWithInit<Definition extends ComponentDefinition<any>>(
     );
   }
   const name =
-    options.name ||
+    options?.name ||
     importedComponentDefinition.componentDefinitionPath.split("/").pop()!;
-  this._childComponents.push([name, importedComponentDefinition, null]);
-  this._onInitCallbacks[name] = (s) => invokeOnInit(s, options.onInit);
+  this._childComponents.push([name, importedComponentDefinition, {}]);
   return new InstalledComponent(definition, name);
 }
 
-function invokeOnInit(
-  argsStr: string,
-  onInit: (ctx: InitCtx, args: any) => any,
-): string {
-  const argsJson = JSON.parse(argsStr);
-  const args = jsonToConvex(argsJson);
-  const result = onInit({}, args);
-  return JSON.stringify(convexToJson(result));
-}
-
 function mount(this: CommonDefinitionData, exports: any) {
   function visit(definition: CommonDefinitionData, path: string[], value: any) {
     const valueReference = value[toReferencePath];
@@ -458,10 +388,7 @@ function exportComponentForAnalysis(
 }
 
 // This is what is actually contained in a ComponentDefinition.
-type RuntimeComponentDefinition = Omit<
-  ComponentDefinition<any, any>,
-  "__args" | "__exports"
-> &
+type RuntimeComponentDefinition = Omit<ComponentDefinition<any>, "__exports"> &
   ComponentDefinitionData & {
     export: () => ComponentDefinitionAnalysis;
   };
@@ -474,17 +401,13 @@ type RuntimeAppDefinition = AppDefinition &
  * @internal
  */
 // eslint-disable-next-line @typescript-eslint/ban-types
-export function defineComponent<
-  Args extends PropertyValidators = EmptyObject,
-  Exports extends ComponentExports = any,
->(
+export function defineComponent<Exports extends ComponentExports = any>(
   name: string,
-  options: { args?: Args } = {},
-): ComponentDefinition<Args, Exports> {
+): ComponentDefinition<Exports> {
   const ret: RuntimeComponentDefinition = {
     _isRoot: false,
     _name: name,
-    _args: options.args || {},
+    _args: {},
     _childComponents: [],
     _httpMounts: {},
     _exportTree: {},
@@ -492,14 +415,13 @@ export function defineComponent<
 
     export: exportComponentForAnalysis,
     install,
-    installWithInit,
     mount,
     mountHttp,
 
     // pretend to conform to ComponentDefinition, which temporarily expects __args
     ...({} as { __args: any; __exports: any }),
   };
-  return ret as any as ComponentDefinition<Args, Exports>;
+  return ret as any as ComponentDefinition<Exports>;
 }
 
 /**
@@ -564,19 +486,6 @@ function createChildComponents(
   return new Proxy({}, handler);
 }
 
-/**
- *
- * @internal
- */
-export function createComponentArg(): (ctx: any, name: string) => any {
-  return (ctx: any, name: string) => {
-    const result = performSyscall("1.0/componentArgument", {
-      name,
-    });
-    return (jsonToConvex(result) as any).value;
-  };
-}
-
 /**
  * @internal
  */
diff --git a/src/server/index.ts b/src/server/index.ts
index 7b8693e..7a82db1 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -172,7 +172,6 @@ export {
   defineComponent,
   componentsGeneric,
   currentSystemUdfInComponent,
-  createComponentArg,
   createFunctionHandle,
 } from "./components/index.js";
 /**