diff --git a/packages/angular_devkit/architect/src/architect.ts b/packages/angular_devkit/architect/src/architect.ts
index aecbeb06ea05..6dbf97cb5179 100644
--- a/packages/angular_devkit/architect/src/architect.ts
+++ b/packages/angular_devkit/architect/src/architect.ts
@@ -48,9 +48,6 @@ import {
 import { mergeOptions } from './options';
 import { scheduleByName, scheduleByTarget } from './schedule-by-name';
 
-const inputSchema = require('./input-schema.json');
-const outputSchema = require('./output-schema.json');
-
 function _createJobHandlerFromBuilderInfo(
   info: BuilderInfo,
   target: Target | undefined,
@@ -60,9 +57,9 @@ function _createJobHandlerFromBuilderInfo(
 ): Observable<BuilderJobHandler> {
   const jobDescription: BuilderDescription = {
     name: target ? `{${targetStringFromTarget(target)}}` : info.builderName,
-    argument: { type: 'object' },
-    input: inputSchema,
-    output: outputSchema,
+    argument: true,
+    input: true,
+    output: true,
     info,
   };
 
@@ -279,8 +276,6 @@ function _getTargetOptionsFactory(host: ArchitectHost) {
     },
     {
       name: '..getTargetOptions',
-      output: { type: 'object' },
-      argument: inputSchema.properties.target,
     },
   );
 }
@@ -298,10 +293,6 @@ function _getProjectMetadataFactory(host: ArchitectHost) {
     },
     {
       name: '..getProjectMetadata',
-      output: { type: 'object' },
-      argument: {
-        oneOf: [{ type: 'string' }, inputSchema.properties.target],
-      },
     },
   );
 }
@@ -318,8 +309,6 @@ function _getBuilderNameForTargetFactory(host: ArchitectHost) {
     },
     {
       name: '..getBuilderNameForTarget',
-      output: { type: 'string' },
-      argument: inputSchema.properties.target,
     },
   );
 }
@@ -344,11 +333,6 @@ function _validateOptionsFactory(host: ArchitectHost, registry: json.schema.Sche
     },
     {
       name: '..validateOptions',
-      output: { type: 'object' },
-      argument: {
-        type: 'array',
-        items: [{ type: 'string' }, { type: 'object' }],
-      },
     },
   );
 }
diff --git a/packages/angular_devkit/architect/src/jobs/simple-scheduler.ts b/packages/angular_devkit/architect/src/jobs/simple-scheduler.ts
index 2c82b0d90052..8dacbbe687f8 100644
--- a/packages/angular_devkit/architect/src/jobs/simple-scheduler.ts
+++ b/packages/angular_devkit/architect/src/jobs/simple-scheduler.ts
@@ -155,11 +155,22 @@ export class SimpleScheduler<
           channels: handler.jobDescription.channels || {},
         };
 
+        const noopValidator = noopSchemaValidator();
+
         const handlerWithExtra = Object.assign(handler.bind(undefined), {
           jobDescription: description,
-          argumentV: this._schemaRegistry.compile(description.argument),
-          inputV: this._schemaRegistry.compile(description.input),
-          outputV: this._schemaRegistry.compile(description.output),
+          argumentV:
+            description.argument === true
+              ? noopValidator
+              : this._schemaRegistry.compile(description.argument),
+          inputV:
+            description.input === true
+              ? noopValidator
+              : this._schemaRegistry.compile(description.input),
+          outputV:
+            description.output === true
+              ? noopValidator
+              : this._schemaRegistry.compile(description.output),
         }) as JobHandlerWithExtra;
         this._internalJobDescriptionMap.set(name, handlerWithExtra);
 
@@ -546,3 +557,10 @@ export class SimpleScheduler<
     return this._createJob(name, argument, handler, inboundBus, outboundBus);
   }
 }
+
+async function noopSchemaValidator(): Promise<schema.SchemaValidator> {
+  return async (data: JsonValue) => ({
+    data,
+    success: true,
+  });
+}