diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8df5a275..58c1361d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -42,4 +42,7 @@ take routes in the form of `FutureOr myFunc(RequestContext, ResponseContext res)
 * `@Expose.middleware` now takes `Iterable<RequestHandler>`, instead of just `List`.
 * `createDynamicHandler` was renamed to `ioc`, and is now used to run IoC-aware handlers in a
 type-safe manner.
-* `RequestContext.params` is now a `Map<String, dynamic>`, rather than just a `Map`.
\ No newline at end of file
+* `RequestContext.params` is now a `Map<String, dynamic>`, rather than just a `Map`.
+* Removed `RequestContext.grab`.
+* Removed `RequestContext.properties`.
+* Removed the defunct `debug` property where it still existed.
\ No newline at end of file
diff --git a/lib/src/core/injection.dart b/lib/src/core/injection.dart
index b6228a27..e87c485c 100644
--- a/lib/src/core/injection.dart
+++ b/lib/src/core/injection.dart
@@ -1,12 +1,11 @@
 part of angel_framework.http.request_context;
 
-const List<Type> _primitiveTypes =  [String, int, num, double, Null];
+const List<Type> _primitiveTypes = [String, int, num, double, Null];
 
 /// Shortcut for calling [preInject], and then [handleContained].
 ///
 /// Use this to instantly create a request handler for a DI-enabled method.
-RequestHandler ioc(Function handler,
-    {Iterable<String> optional: const []}) {
+RequestHandler ioc(Function handler, {Iterable<String> optional: const []}) {
   var injection = preInject(handler);
   injection.optional.addAll(optional ?? []);
   return handleContained(handler, injection);
@@ -29,11 +28,7 @@ resolveInjection(requirement, InjectionRequest injection, RequestContext req,
   } else if (requirement is String) {
     if (req.params.containsKey(requirement)) {
       return req.params[requirement];
-    } else if (req._injections.containsKey(requirement))
-      return req._injections[requirement];
-    else if (req.properties.containsKey(requirement))
-      return req.properties[requirement];
-    else if ((propFromApp = req.app.findProperty(requirement)) != null)
+    } else if ((propFromApp = req.app.findProperty(requirement)) != null)
       return propFromApp;
     else if (injection.optional.contains(requirement))
       return null;
@@ -48,18 +43,13 @@ resolveInjection(requirement, InjectionRequest injection, RequestContext req,
     String key = requirement.first;
     Type type = requirement.last;
     if (req.params.containsKey(key) ||
-        req._injections.containsKey(key) ||
-        req.properties.containsKey(key) ||
         req.app.configuration.containsKey(key) ||
         _primitiveTypes.contains(type)) {
       return resolveInjection(key, injection, req, res, throwOnUnresolved);
     } else
       return resolveInjection(type, injection, req, res, throwOnUnresolved);
   } else if (requirement is Type && requirement != dynamic) {
-    if (req._injections.containsKey(requirement))
-      return req._injections[requirement];
-    else
-      return req.app.container.make(requirement);
+    return req.app.container.make(requirement);
   } else if (throwOnUnresolved) {
     throw new ArgumentError(
         '$requirement cannot be injected into a request handler.');
diff --git a/lib/src/core/request_context.dart b/lib/src/core/request_context.dart
index a8c4530c..da47bef1 100644
--- a/lib/src/core/request_context.dart
+++ b/lib/src/core/request_context.dart
@@ -24,8 +24,6 @@ abstract class RequestContext<RawRequest> {
   BodyParseResult _body;
   Map _provisionalQuery;
 
-  final Map properties = {};
-
   /// The underlying [RawRequest] provided by the driver.
   RawRequest get rawRequest;
 
@@ -87,31 +85,6 @@ abstract class RequestContext<RawRequest> {
   /// Includes the leading `.`, if there is one.
   String get extension => _extensionCache ??= p.extension(uri.path);
 
-  /// Grabs an object by key or type from [params], [_injections], or
-  /// [app].container. Use this to perform dependency injection
-  /// within a service hook.
-  T grab<T>(key) {
-    if (params.containsKey(key))
-      return params[key] as T;
-    else if (_injections.containsKey(key))
-      return _injections[key] as T;
-    else if (properties.containsKey(key))
-      return properties[key] as T;
-    else {
-      var prop = app?.findProperty(key);
-      if (prop != null)
-        return prop as T;
-      else if (key is Type) {
-        try {
-          return app.container.make(key) as T;
-        } catch (e) {
-          return null;
-        }
-      } else
-        return null;
-    }
-  }
-
   /// Returns `true` if the client's `Accept` header indicates that the given [contentType] is considered a valid response.
   ///
   /// You cannot provide a `null` [contentType].
@@ -148,7 +121,8 @@ abstract class RequestContext<RawRequest> {
   Future<Map> parseBody() => parse().then((b) => b.body);
 
   /// Retrieves a list of all uploaded files if it has already been parsed, or lazy-parses it before returning the files.
-  Future<List<FileUploadInfo>> parseUploadedFiles() => parse().then((b) => b.files);
+  Future<List<FileUploadInfo>> parseUploadedFiles() =>
+      parse().then((b) => b.files);
 
   /// Retrieves the original request buffer if it has already been parsed, or lazy-parses it before returning the buffer..
   ///
@@ -185,8 +159,6 @@ abstract class RequestContext<RawRequest> {
     _acceptsAllCache = null;
     _acceptHeaderCache = null;
     _provisionalQuery?.clear();
-    properties.clear();
-    _injections.clear();
     serviceParams.clear();
     params.clear();
     return new Future.value();
diff --git a/lib/src/core/response_context.dart b/lib/src/core/response_context.dart
index fa3d5482..e1877cde 100644
--- a/lib/src/core/response_context.dart
+++ b/lib/src/core/response_context.dart
@@ -9,7 +9,6 @@ import 'package:angel_route/angel_route.dart';
 import 'package:file/file.dart';
 import 'package:http_parser/http_parser.dart';
 import 'package:mime/mime.dart';
-import 'package:pool/pool.dart';
 
 import '../http/http.dart';
 import 'request_context.dart';
@@ -18,7 +17,8 @@ import 'server.dart' show Angel;
 final RegExp _straySlashes = new RegExp(r'(^/+)|(/+$)');
 
 /// A convenience wrapper around an outgoing HTTP request.
-abstract class ResponseContext<RawResponse> implements StreamSink<List<int>>, StringSink {
+abstract class ResponseContext<RawResponse>
+    implements StreamSink<List<int>>, StringSink {
   final Map properties = {};
   final BytesBuilder _buffer = new _LockableBytesBuilder();
   final Map<String, String> _headers = {'server': 'angel'};
@@ -313,12 +313,9 @@ abstract class ResponseContext<RawResponse> implements StreamSink<List<int>>, St
 
   /// Releases critical resources from the [correspondingRequest].
   void releaseCorrespondingRequest() {
-    if (correspondingRequest?.injections?.containsKey(Stopwatch) == true) {
-      (correspondingRequest.injections[Stopwatch] as Stopwatch).stop();
-    }
-
-    if (correspondingRequest?.injections?.containsKey(PoolResource) == true) {
-      (correspondingRequest.injections[PoolResource] as PoolResource).release();
+    if (!correspondingRequest.app.isProduction &&
+        correspondingRequest.app.logger != null) {
+      correspondingRequest.container.make<Stopwatch>().stop();
     }
   }
 
diff --git a/lib/src/core/server.dart b/lib/src/core/server.dart
index 88d42e65..115a1c60 100644
--- a/lib/src/core/server.dart
+++ b/lib/src/core/server.dart
@@ -34,7 +34,8 @@ class Angel extends Routable {
       (String view, [Map data]) => 'No view engine has been configured yet.';
 
   final List<Angel> _children = [];
-  final Map<String, Tuple3<List, Map, ParseResult<Map<String, dynamic>>>>
+  final Map<String,
+          Tuple3<List, Map<String, dynamic>, ParseResult<Map<String, dynamic>>>>
       handlerCache = new HashMap();
 
   Router _flattened;
diff --git a/lib/src/core/service.dart b/lib/src/core/service.dart
index dfb3d8e9..cdba7ecc 100644
--- a/lib/src/core/service.dart
+++ b/lib/src/core/service.dart
@@ -8,7 +8,6 @@ import 'package:merge_map/merge_map.dart';
 import '../util.dart';
 import 'hooked_service.dart' show HookedService;
 import 'metadata.dart';
-import 'request_context.dart';
 import 'response_context.dart';
 import 'routable.dart';
 import 'server.dart';
diff --git a/lib/src/http/angel_http.dart b/lib/src/http/angel_http.dart
index c4a750fc..d3055c31 100644
--- a/lib/src/http/angel_http.dart
+++ b/lib/src/http/angel_http.dart
@@ -8,14 +8,16 @@ import 'dart:io'
         HttpServer,
         Platform,
         SecurityContext;
+
 import 'package:angel_http_exception/angel_http_exception.dart';
 import 'package:angel_route/angel_route.dart';
 import 'package:combinator/combinator.dart';
 import 'package:stack_trace/stack_trace.dart';
 import 'package:tuple/tuple.dart';
+
+import '../core/core.dart';
 import 'http_request_context.dart';
 import 'http_response_context.dart';
-import '../core/core.dart';
 
 final RegExp _straySlashes = new RegExp(r'(^/+)|(/+$)');
 
@@ -60,7 +62,7 @@ class AngelHttp {
   /// the server.
   factory AngelHttp.secure(
       Angel app, String certificateChainPath, String serverKeyPath,
-      {bool debug: false, String password, bool useZone: true}) {
+      { String password, bool useZone: true}) {
     var certificateChain =
         Platform.script.resolve(certificateChainPath).toFilePath();
     var serverKey = Platform.script.resolve(serverKeyPath).toFilePath();
@@ -107,14 +109,16 @@ class AngelHttp {
           var path = req.path;
           if (path == '/') path = '';
 
-          Tuple3<List, Map, ParseResult<Map<String, dynamic>>> resolveTuple() {
+          Tuple3<List, Map<String, dynamic>, ParseResult<Map<String, dynamic>>>
+              resolveTuple() {
             Router r = app.optimizedRouter;
             var resolved =
                 r.resolveAbsolute(path, method: req.method, strip: false);
 
             return new Tuple3(
               new MiddlewarePipeline(resolved).handlers,
-              resolved.fold<Map>({}, (out, r) => out..addAll(r.allParams)),
+              resolved.fold<Map<String, dynamic>>(
+                  <String, dynamic>{}, (out, r) => out..addAll(r.allParams)),
               resolved.isEmpty ? null : resolved.first.parseResult,
             );
           }
@@ -125,10 +129,15 @@ class AngelHttp {
               : resolveTuple();
 
           req.params.addAll(tuple.item2);
-          req.inject(ParseResult, tuple.item3);
 
-          if (!app.isProduction && app.logger != null)
-            req.inject(Stopwatch, new Stopwatch()..start());
+          req.container.registerSingleton<ParseResult<Map<String, dynamic>>>(
+              tuple.item3);
+          req.container.registerSingleton<ParseResult>(tuple.item3);
+
+          if (!app.isProduction && app.logger != null) {
+            req.container
+                .registerSingleton<Stopwatch>(new Stopwatch()..start());
+          }
 
           var pipeline = tuple.item1;
 
@@ -215,8 +224,9 @@ class AngelHttp {
           );
 
           var zone = Zone.current.fork(specification: zoneSpec);
-          req.inject(Zone, zone);
-          req.inject(ZoneSpecification, zoneSpec);
+          req.container.registerSingleton<Zone>(zone);
+          req.container.registerSingleton<ZoneSpecification>(zoneSpec);
+
           return zone.run(handle).whenComplete(() {
             res.dispose();
           });
@@ -321,7 +331,7 @@ class AngelHttp {
 
       return request.response.close().then((_) {
         if (!app.isProduction && app.logger != null) {
-          var sw = req.grab<Stopwatch>(Stopwatch);
+          var sw = req.container.make<Stopwatch>();
 
           if (sw.isRunning) {
             sw?.stop();
diff --git a/lib/src/http/controller.dart b/lib/src/http/controller.dart
index d910cb9a..cd01d135 100644
--- a/lib/src/http/controller.dart
+++ b/lib/src/http/controller.dart
@@ -15,8 +15,6 @@ class Controller {
   /// The [Angel] application powering this controller.
   Angel get app => _app;
 
-  final bool debug;
-
   /// If `true` (default), this class will inject itself as a singleton into the [app]'s container when bootstrapped.
   final bool injectSingleton;
 
@@ -26,7 +24,7 @@ class Controller {
   /// A mapping of route paths to routes, produced from the [Expose] annotations on this class.
   Map<String, Route> routeMappings = {};
 
-  Controller({this.debug: false, this.injectSingleton: true});
+  Controller({this.injectSingleton: true});
 
   @mustCallSuper
   Future configureServer(Angel app) {
diff --git a/test/primitives_test.dart b/test/primitives_test.dart
index 25a7ffde..66df81ab 100644
--- a/test/primitives_test.dart
+++ b/test/primitives_test.dart
@@ -12,7 +12,7 @@ main() {
 
   setUp(() {
     app = new Angel(reflector: MirrorsReflector())
-      ..inject('global', 305); // Pitbull!
+      ..configuration['global'] = 305; // Pitbull!
     http = new AngelHttp(app);
 
     app.get('/string/:string', ioc((String string) => string));
diff --git a/test/server_test.dart b/test/server_test.dart
index a3d81493..44d9015f 100644
--- a/test/server_test.dart
+++ b/test/server_test.dart
@@ -89,7 +89,8 @@ main() {
   });
 
   test('global injection added to injection map', () async {
-    var app = new Angel(reflector: MirrorsReflector())..inject('a', 'b');
+    var app = new Angel(reflector: MirrorsReflector())
+      ..configuration['a'] = 'b';
     var http = new AngelHttp(app);
     app.get('/', ioc((String a) => a));
     var rq = new MockHttpRequest('GET', Uri.parse('/'))..close();