diff --git a/src/lib/autocomplete/index.ts b/src/lib/autocomplete/index.ts
index 9cbfc471ee27..8b1d82cf7f97 100644
--- a/src/lib/autocomplete/index.ts
+++ b/src/lib/autocomplete/index.ts
@@ -1,6 +1,11 @@
 import {ModuleWithProviders, NgModule} from '@angular/core';
-
-import {MdOptionModule, OverlayModule, OVERLAY_PROVIDERS, CompatibilityModule} from '../core';
+import {
+  MdOptionModule,
+  OverlayModule,
+  OVERLAY_PROVIDERS,
+  CompatibilityModule,
+  MdThemeCheckModule,
+} from '../core';
 import {CommonModule} from '@angular/common';
 import {MdAutocomplete} from './autocomplete';
 import {MdAutocompleteTrigger} from './autocomplete-trigger';
@@ -8,7 +13,7 @@ export * from './autocomplete';
 export * from './autocomplete-trigger';
 
 @NgModule({
-  imports: [MdOptionModule, OverlayModule, CompatibilityModule, CommonModule],
+  imports: [MdOptionModule, OverlayModule, CompatibilityModule, CommonModule, MdThemeCheckModule],
   exports: [MdAutocomplete, MdOptionModule, MdAutocompleteTrigger, CompatibilityModule],
   declarations: [MdAutocomplete, MdAutocompleteTrigger],
 })
diff --git a/src/lib/button-toggle/button-toggle.ts b/src/lib/button-toggle/button-toggle.ts
index 408663be0670..48f93a59797f 100644
--- a/src/lib/button-toggle/button-toggle.ts
+++ b/src/lib/button-toggle/button-toggle.ts
@@ -25,6 +25,7 @@ import {
   coerceBooleanProperty,
   UNIQUE_SELECTION_DISPATCHER_PROVIDER,
   CompatibilityModule,
+  MdThemeCheckModule,
 } from '../core';
 
 /** Acceptable types for a button toggle. */
@@ -464,7 +465,7 @@ export class MdButtonToggle implements OnInit {
 
 
 @NgModule({
-  imports: [FormsModule, CompatibilityModule],
+  imports: [FormsModule, CompatibilityModule, MdThemeCheckModule],
   exports: [
     MdButtonToggleGroup,
     MdButtonToggleGroupMultiple,
diff --git a/src/lib/button/button.ts b/src/lib/button/button.ts
index 192f677d100b..0c177c981ef2 100644
--- a/src/lib/button/button.ts
+++ b/src/lib/button/button.ts
@@ -10,7 +10,12 @@ import {
   ModuleWithProviders,
 } from '@angular/core';
 import {CommonModule} from '@angular/common';
-import {MdRippleModule, coerceBooleanProperty, CompatibilityModule} from '../core';
+import {
+  MdRippleModule,
+  coerceBooleanProperty,
+  CompatibilityModule,
+  MdThemeCheckModule
+} from '../core';
 
 
 // TODO(jelbourn): Make the `isMouseDown` stuff done with one global listener.
@@ -164,7 +169,7 @@ export class MdAnchor extends MdButton {
 
 
 @NgModule({
-  imports: [CommonModule, MdRippleModule, CompatibilityModule],
+  imports: [CommonModule, MdRippleModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdButton, MdAnchor, CompatibilityModule],
   declarations: [MdButton, MdAnchor],
 })
diff --git a/src/lib/card/card.ts b/src/lib/card/card.ts
index e603101bf2fb..041347dffc0d 100644
--- a/src/lib/card/card.ts
+++ b/src/lib/card/card.ts
@@ -6,7 +6,7 @@ import {
   ChangeDetectionStrategy,
   Directive
 } from '@angular/core';
-import {CompatibilityModule} from '../core';
+import {CompatibilityModule, MdThemeCheckModule} from '../core';
 
 
 /**
@@ -101,7 +101,7 @@ export class MdCardTitleGroup {}
 
 
 @NgModule({
-  imports: [CompatibilityModule],
+  imports: [CompatibilityModule, MdThemeCheckModule],
   exports: [
     MdCard,
     MdCardHeader,
diff --git a/src/lib/checkbox/checkbox.ts b/src/lib/checkbox/checkbox.ts
index 8947954597bc..bc455d1c9c47 100644
--- a/src/lib/checkbox/checkbox.ts
+++ b/src/lib/checkbox/checkbox.ts
@@ -16,7 +16,7 @@ import {
 import {CommonModule} from '@angular/common';
 import {NG_VALUE_ACCESSOR, ControlValueAccessor} from '@angular/forms';
 import {coerceBooleanProperty} from '../core/coercion/boolean-property';
-import {MdRippleModule, CompatibilityModule} from '../core';
+import {MdRippleModule, CompatibilityModule, MdThemeCheckModule} from '../core';
 
 
 /** Monotonically increasing integer used to auto-generate unique ids for checkbox components. */
@@ -403,7 +403,7 @@ export class MdCheckbox implements ControlValueAccessor {
 
 
 @NgModule({
-  imports: [CommonModule, MdRippleModule, CompatibilityModule],
+  imports: [CommonModule, MdRippleModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdCheckbox, CompatibilityModule],
   declarations: [MdCheckbox],
 })
diff --git a/src/lib/chips/chip-list.ts b/src/lib/chips/chip-list.ts
index d20cdbb7b5fc..44e9cbbbc971 100644
--- a/src/lib/chips/chip-list.ts
+++ b/src/lib/chips/chip-list.ts
@@ -11,6 +11,7 @@ import {
   ViewEncapsulation
 } from '@angular/core';
 
+import {MdThemeCheckModule} from '../core';
 import {MdChip} from './chip';
 import {FocusKeyManager} from '../core/a11y/focus-key-manager';
 import {coerceBooleanProperty} from '../core/coercion/boolean-property';
@@ -210,7 +211,7 @@ export class MdChipList implements AfterContentInit {
 }
 
 @NgModule({
-  imports: [],
+  imports: [MdThemeCheckModule],
   exports: [MdChipList, MdChip],
   declarations: [MdChipList, MdChip]
 })
diff --git a/src/lib/core/_core.scss b/src/lib/core/_core.scss
index c8c97c5ed129..d2b686ca8862 100644
--- a/src/lib/core/_core.scss
+++ b/src/lib/core/_core.scss
@@ -26,9 +26,12 @@
 
 // Mixin that renders all of the core styles that depend on the theme.
 @mixin md-core-theme($theme) {
-  @include md-ripple-theme($theme);
-  @include md-option-theme($theme);
-  @include md-pseudo-checkbox-theme($theme);
+  // Marker that is used to determine whether the user has added a theme to their page.
+  // Note that only the selector is being used, but we add a property, in order to avoid
+  // it being removed by minifiers.
+  .md-theme-loaded-marker {
+    color: #000;
+  }
 
   // Wrapper element that provides the theme background when the
   // user's content isn't inside of a `md-sidenav-container`.
@@ -36,4 +39,8 @@
     $background: map-get($theme, background);
     background-color: md-color($background, background);
   }
+
+  @include md-ripple-theme($theme);
+  @include md-option-theme($theme);
+  @include md-pseudo-checkbox-theme($theme);
 }
diff --git a/src/lib/core/core.ts b/src/lib/core/core.ts
index 38aba4c9665f..0e52d0a9137c 100644
--- a/src/lib/core/core.ts
+++ b/src/lib/core/core.ts
@@ -8,6 +8,7 @@ import {PortalModule} from './portal/portal-directives';
 import {OverlayModule} from './overlay/overlay-directives';
 import {A11yModule} from './a11y/index';
 import {MdSelectionModule} from './selection/index';
+import {MdThemeCheckModule} from './theming/theme-check';
 
 
 // RTL
@@ -86,6 +87,9 @@ export {isFakeMousedownFromScreenReader} from './a11y/fake-mousedown';
 
 export {A11yModule} from './a11y/index';
 
+// Theming check
+export {MdThemeCheckModule} from './theming/theme-check';
+
 export {
   UniqueSelectionDispatcher,
   UniqueSelectionDispatcherListener,
@@ -137,6 +141,7 @@ export {CompatibilityModule, NoConflictStyleCompatibilityMode} from './compatibi
     A11yModule,
     MdOptionModule,
     MdSelectionModule,
+    MdThemeCheckModule,
   ],
   exports: [
     MdLineModule,
@@ -148,6 +153,7 @@ export {CompatibilityModule, NoConflictStyleCompatibilityMode} from './compatibi
     A11yModule,
     MdOptionModule,
     MdSelectionModule,
+    MdThemeCheckModule,
   ],
 })
 export class MdCoreModule {
diff --git a/src/lib/core/theming/theme-check.ts b/src/lib/core/theming/theme-check.ts
new file mode 100644
index 000000000000..c65aebe86b46
--- /dev/null
+++ b/src/lib/core/theming/theme-check.ts
@@ -0,0 +1,39 @@
+import {NgModule, isDevMode} from '@angular/core';
+
+/**
+ * Module that verifies that the user has loaded the core theming file,
+ * without which most Material module won't work as expected.
+ * @docs-private
+ */
+@NgModule()
+export class MdThemeCheckModule {
+  constructor() {
+    if (!isDevMode() || typeof document === 'undefined') {
+      return;
+    }
+
+    for (let i = 0; i < document.styleSheets.length; i++) {
+      // The try/catch is needed, because some browsers can throw a security
+      // error when accessing the `cssRules` from another domain.
+      try {
+        let rules = (document.styleSheets.item(i) as CSSStyleSheet).cssRules;
+
+        if (rules) {
+          for (let j = 0; j < rules.length; j++) {
+            let selector = (rules.item(j) as CSSStyleRule).selectorText;
+
+            if (selector && selector.includes('.md-theme-loaded-marker')) {
+              return;
+            }
+          }
+        }
+      } catch (e) { }
+    }
+
+    console.warn(
+      'Could not find Angular Material core theme. Most Material ' +
+      'components may not work as expected. For more info refer ' +
+      'to the theming guide: https://github.com/angular/material2/blob/master/guides/theming.md'
+    );
+  }
+}
diff --git a/src/lib/dialog/index.ts b/src/lib/dialog/index.ts
index e14bc904b78b..8bd08b09449c 100644
--- a/src/lib/dialog/index.ts
+++ b/src/lib/dialog/index.ts
@@ -4,6 +4,7 @@ import {
   PortalModule,
   A11yModule,
   CompatibilityModule,
+  MdThemeCheckModule,
 } from '../core';
 import {MdDialog} from './dialog';
 import {MdDialogContainer} from './dialog-container';
@@ -21,6 +22,7 @@ import {
     PortalModule,
     A11yModule,
     CompatibilityModule,
+    MdThemeCheckModule,
   ],
   exports: [
     MdDialogContainer,
diff --git a/src/lib/grid-list/grid-list.ts b/src/lib/grid-list/grid-list.ts
index bf6f2fd6b7d2..10585cd69a6a 100644
--- a/src/lib/grid-list/grid-list.ts
+++ b/src/lib/grid-list/grid-list.ts
@@ -16,7 +16,7 @@ import {MdGridTile, MdGridTileText} from './grid-tile';
 import {TileCoordinator} from './tile-coordinator';
 import {TileStyler, FitTileStyler, RatioTileStyler, FixedTileStyler} from './tile-styler';
 import {MdGridListColsError} from './grid-list-errors';
-import {Dir, MdLineModule, CompatibilityModule} from '../core';
+import {Dir, MdLineModule, CompatibilityModule, MdThemeCheckModule} from '../core';
 import {
   coerceToString,
   coerceToNumber,
@@ -144,7 +144,7 @@ export class MdGridList implements OnInit, AfterContentChecked {
 
 
 @NgModule({
-  imports: [MdLineModule, CompatibilityModule],
+  imports: [MdLineModule, CompatibilityModule, MdThemeCheckModule],
   exports: [
     MdGridList,
     MdGridTile,
diff --git a/src/lib/icon/icon.ts b/src/lib/icon/icon.ts
index 73de166725e5..44d925ef094e 100644
--- a/src/lib/icon/icon.ts
+++ b/src/lib/icon/icon.ts
@@ -16,7 +16,7 @@ import {
 } from '@angular/core';
 import {HttpModule, Http} from '@angular/http';
 import {DomSanitizer} from '@angular/platform-browser';
-import {MdError, CompatibilityModule} from '../core';
+import {MdError, CompatibilityModule, MdThemeCheckModule} from '../core';
 import {MdIconRegistry} from './icon-registry';
 export {MdIconRegistry} from './icon-registry';
 
@@ -262,7 +262,7 @@ export const ICON_REGISTRY_PROVIDER = {
 };
 
 @NgModule({
-  imports: [HttpModule, CompatibilityModule],
+  imports: [HttpModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdIcon, CompatibilityModule],
   declarations: [MdIcon],
   providers: [ICON_REGISTRY_PROVIDER],
diff --git a/src/lib/input/index.ts b/src/lib/input/index.ts
index db45cf0dde0e..c20a9a3a2ac5 100644
--- a/src/lib/input/index.ts
+++ b/src/lib/input/index.ts
@@ -1,8 +1,9 @@
 import {NgModule, ModuleWithProviders} from '@angular/core';
-import {MdPlaceholder, MdInputContainer, MdHint, MdInputDirective} from './input-container';
-import {MdTextareaAutosize} from './autosize';
 import {CommonModule} from '@angular/common';
 import {FormsModule} from '@angular/forms';
+import {MdThemeCheckModule} from '../core';
+import {MdPlaceholder, MdInputContainer, MdHint, MdInputDirective} from './input-container';
+import {MdTextareaAutosize} from './autosize';
 import {PlatformModule} from '../core/platform/index';
 
 
@@ -23,6 +24,7 @@ export * from './input-container-errors';
     CommonModule,
     FormsModule,
     PlatformModule,
+    MdThemeCheckModule,
   ],
   exports: [
     MdPlaceholder,
diff --git a/src/lib/list/list.ts b/src/lib/list/list.ts
index a0dedbfb4254..66eb9acfd449 100644
--- a/src/lib/list/list.ts
+++ b/src/lib/list/list.ts
@@ -11,7 +11,14 @@ import {
     NgModule,
     ModuleWithProviders,
 } from '@angular/core';
-import {MdLine, MdLineSetter, MdLineModule, CompatibilityModule} from '../core';
+import {
+  MdLine,
+  MdLineSetter,
+  MdLineModule,
+  CompatibilityModule,
+  MdThemeCheckModule,
+} from '../core';
+
 
 @Directive({
   selector: 'md-divider, mat-divider'
@@ -72,7 +79,7 @@ export class MdListItem implements AfterContentInit {
 
 
 @NgModule({
-  imports: [MdLineModule, CompatibilityModule],
+  imports: [MdLineModule, CompatibilityModule, MdThemeCheckModule],
   exports: [
     MdList,
     MdListItem,
diff --git a/src/lib/menu/menu.ts b/src/lib/menu/menu.ts
index 27d551aca46f..703a153a257e 100644
--- a/src/lib/menu/menu.ts
+++ b/src/lib/menu/menu.ts
@@ -1,6 +1,6 @@
 import {NgModule, ModuleWithProviders} from '@angular/core';
 import {CommonModule} from '@angular/common';
-import {OverlayModule, CompatibilityModule} from '../core';
+import {OverlayModule, CompatibilityModule, MdThemeCheckModule} from '../core';
 import {MdMenu} from './menu-directive';
 import {MdMenuItem} from './menu-item';
 import {MdMenuTrigger} from './menu-trigger';
@@ -13,7 +13,7 @@ export {MenuPositionX, MenuPositionY} from './menu-positions';
 
 
 @NgModule({
-  imports: [OverlayModule, CommonModule, MdRippleModule, CompatibilityModule],
+  imports: [OverlayModule, CommonModule, MdRippleModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdMenu, MdMenuItem, MdMenuTrigger, CompatibilityModule],
   declarations: [MdMenu, MdMenuItem, MdMenuTrigger],
 })
diff --git a/src/lib/module.ts b/src/lib/module.ts
index 490e419cb133..672f199a252e 100644
--- a/src/lib/module.ts
+++ b/src/lib/module.ts
@@ -9,6 +9,7 @@ import {
   A11yModule,
   ProjectionModule,
   CompatibilityModule,
+  MdThemeCheckModule,
 } from './core/index';
 
 import {MdButtonToggleModule} from './button-toggle/index';
@@ -62,6 +63,7 @@ const MATERIAL_MODULES = [
   MdTabsModule,
   MdToolbarModule,
   MdTooltipModule,
+  MdThemeCheckModule,
   OverlayModule,
   PortalModule,
   RtlModule,
diff --git a/src/lib/progress-bar/progress-bar.ts b/src/lib/progress-bar/progress-bar.ts
index eee3f785ff27..69807650398a 100644
--- a/src/lib/progress-bar/progress-bar.ts
+++ b/src/lib/progress-bar/progress-bar.ts
@@ -7,7 +7,7 @@ import {
     Input,
 } from '@angular/core';
 import {CommonModule} from '@angular/common';
-import {CompatibilityModule} from '../core/compatibility/compatibility';
+import {CompatibilityModule, MdThemeCheckModule} from '../core';
 
 // TODO(josephperrott): Benchpress tests.
 // TODO(josephperrott): Add ARIA attributes for progressbar "for".
@@ -86,7 +86,7 @@ function clamp(v: number, min = 0, max = 100) {
 
 
 @NgModule({
-  imports: [CommonModule, CompatibilityModule],
+  imports: [CommonModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdProgressBar, CompatibilityModule],
   declarations: [MdProgressBar],
 })
diff --git a/src/lib/progress-spinner/progress-spinner.ts b/src/lib/progress-spinner/progress-spinner.ts
index ca87dec4c0bb..ba75d884da68 100644
--- a/src/lib/progress-spinner/progress-spinner.ts
+++ b/src/lib/progress-spinner/progress-spinner.ts
@@ -10,7 +10,7 @@ import {
   NgZone,
   Renderer
 } from '@angular/core';
-import {CompatibilityModule} from '../core';
+import {CompatibilityModule, MdThemeCheckModule} from '../core';
 
 
 // TODO(josephperrott): Benchpress tests.
@@ -362,7 +362,7 @@ function getSvgArc(currentValue: number, rotation: number) {
 
 
 @NgModule({
-  imports: [CompatibilityModule],
+  imports: [CompatibilityModule, MdThemeCheckModule],
   exports: [MdProgressSpinner, MdSpinner, CompatibilityModule],
   declarations: [MdProgressSpinner, MdSpinner],
 })
diff --git a/src/lib/radio/radio.ts b/src/lib/radio/radio.ts
index e26d8dc8d50d..f676e0a63401 100644
--- a/src/lib/radio/radio.ts
+++ b/src/lib/radio/radio.ts
@@ -25,6 +25,7 @@ import {
   UniqueSelectionDispatcher,
   CompatibilityModule,
   UNIQUE_SELECTION_DISPATCHER_PROVIDER,
+  MdThemeCheckModule,
 } from '../core';
 import {coerceBooleanProperty} from '../core/coercion/boolean-property';
 import {VIEWPORT_RULER_PROVIDER} from '../core/overlay/position/viewport-ruler';
@@ -507,7 +508,7 @@ export class MdRadioButton implements OnInit {
 
 
 @NgModule({
-  imports: [CommonModule, MdRippleModule, CompatibilityModule],
+  imports: [CommonModule, MdRippleModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdRadioGroup, MdRadioButton, CompatibilityModule],
   providers: [UNIQUE_SELECTION_DISPATCHER_PROVIDER, VIEWPORT_RULER_PROVIDER],
   declarations: [MdRadioGroup, MdRadioButton],
diff --git a/src/lib/select/index.ts b/src/lib/select/index.ts
index 1a2e4afe6a88..3bca226d8221 100644
--- a/src/lib/select/index.ts
+++ b/src/lib/select/index.ts
@@ -5,13 +5,14 @@ import {MdOptionModule} from '../core/option/option';
 import {
   CompatibilityModule,
   OverlayModule,
+  MdThemeCheckModule,
 } from '../core';
 export * from './select';
 export {fadeInContent, transformPanel, transformPlaceholder} from './select-animations';
 
 
 @NgModule({
-  imports: [CommonModule, OverlayModule, MdOptionModule, CompatibilityModule],
+  imports: [CommonModule, OverlayModule, MdOptionModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdSelect, MdOptionModule, CompatibilityModule],
   declarations: [MdSelect],
 })
diff --git a/src/lib/sidenav/sidenav.ts b/src/lib/sidenav/sidenav.ts
index ba58661ca89f..68189476bc36 100644
--- a/src/lib/sidenav/sidenav.ts
+++ b/src/lib/sidenav/sidenav.ts
@@ -16,11 +16,17 @@ import {
   ViewChild
 } from '@angular/core';
 import {CommonModule} from '@angular/common';
-import {Dir, MdError, coerceBooleanProperty, CompatibilityModule} from '../core';
 import {A11yModule} from '../core/a11y/index';
 import {FocusTrap} from '../core/a11y/focus-trap';
 import {ESCAPE} from '../core/keyboard/keycodes';
 import {OverlayModule} from '../core/overlay/overlay-directives';
+import {
+  Dir,
+  MdError,
+  coerceBooleanProperty,
+  CompatibilityModule,
+  MdThemeCheckModule
+} from '../core';
 
 
 /** Exception thrown when two MdSidenav are matching the same side. */
@@ -510,7 +516,7 @@ export class MdSidenavContainer implements AfterContentInit {
 
 
 @NgModule({
-  imports: [CommonModule, CompatibilityModule, A11yModule, OverlayModule],
+  imports: [CommonModule, CompatibilityModule, A11yModule, OverlayModule, MdThemeCheckModule],
   exports: [MdSidenavContainer, MdSidenav, CompatibilityModule],
   declarations: [MdSidenavContainer, MdSidenav],
 })
diff --git a/src/lib/slide-toggle/slide-toggle.ts b/src/lib/slide-toggle/slide-toggle.ts
index 3937c5ec5627..ea9f3a9f9cc6 100644
--- a/src/lib/slide-toggle/slide-toggle.ts
+++ b/src/lib/slide-toggle/slide-toggle.ts
@@ -21,6 +21,7 @@ import {
   GestureConfig,
   HammerInput,
   CompatibilityModule,
+  MdThemeCheckModule,
 } from '../core';
 import {Observable} from 'rxjs/Observable';
 
@@ -338,7 +339,7 @@ class SlideToggleRenderer {
 
 
 @NgModule({
-  imports: [FormsModule, CompatibilityModule],
+  imports: [FormsModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdSlideToggle, CompatibilityModule],
   declarations: [MdSlideToggle],
   providers: [{provide: HAMMER_GESTURE_CONFIG, useClass: GestureConfig}],
diff --git a/src/lib/slider/slider.ts b/src/lib/slider/slider.ts
index 5fa5a163607a..1621ab1fb282 100644
--- a/src/lib/slider/slider.ts
+++ b/src/lib/slider/slider.ts
@@ -18,6 +18,7 @@ import {
   coerceBooleanProperty,
   coerceNumberProperty,
   CompatibilityModule,
+  MdThemeCheckModule,
 } from '../core';
 import {Dir} from '../core/rtl/dir';
 import {CommonModule} from '@angular/common';
@@ -654,7 +655,7 @@ export class SliderRenderer {
 
 
 @NgModule({
-  imports: [CommonModule, FormsModule, CompatibilityModule],
+  imports: [CommonModule, FormsModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdSlider, CompatibilityModule],
   declarations: [MdSlider],
   providers: [{provide: HAMMER_GESTURE_CONFIG, useClass: GestureConfig}]
diff --git a/src/lib/snack-bar/snack-bar.ts b/src/lib/snack-bar/snack-bar.ts
index e944e53099a1..70cefacb4778 100644
--- a/src/lib/snack-bar/snack-bar.ts
+++ b/src/lib/snack-bar/snack-bar.ts
@@ -17,6 +17,7 @@ import {
   LiveAnnouncer,
   CompatibilityModule,
   LIVE_ANNOUNCER_PROVIDER,
+  MdThemeCheckModule,
 } from '../core';
 import {CommonModule} from '@angular/common';
 import {MdSnackBarConfig} from './snack-bar-config';
@@ -163,7 +164,7 @@ function _applyConfigDefaults(config: MdSnackBarConfig): MdSnackBarConfig {
 
 
 @NgModule({
-  imports: [OverlayModule, PortalModule, CommonModule, CompatibilityModule],
+  imports: [OverlayModule, PortalModule, CommonModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdSnackBarContainer, CompatibilityModule],
   declarations: [MdSnackBarContainer, SimpleSnackBar],
   entryComponents: [MdSnackBarContainer, SimpleSnackBar],
diff --git a/src/lib/tabs/tab-group.ts b/src/lib/tabs/tab-group.ts
index 2b8b6cd47724..58012a52ccd4 100644
--- a/src/lib/tabs/tab-group.ts
+++ b/src/lib/tabs/tab-group.ts
@@ -14,7 +14,8 @@ import {
 import {CommonModule} from '@angular/common';
 import {
   PortalModule,
-  coerceBooleanProperty
+  coerceBooleanProperty,
+  MdThemeCheckModule,
 } from '../core';
 import {MdTabLabel} from './tab-label';
 import {MdTabLabelWrapper} from './tab-label-wrapper';
@@ -210,7 +211,7 @@ export class MdTabGroup {
 }
 
 @NgModule({
-  imports: [CommonModule, PortalModule, MdRippleModule, ObserveContentModule],
+  imports: [CommonModule, PortalModule, MdRippleModule, ObserveContentModule, MdThemeCheckModule],
   // Don't export all components because some are only to be used internally.
   exports: [MdTabGroup, MdTabLabel, MdTab, MdTabNavBar, MdTabLink, MdTabLinkRipple],
   declarations: [MdTabGroup, MdTabLabel, MdTab, MdInkBar, MdTabLabelWrapper,
diff --git a/src/lib/toolbar/toolbar.ts b/src/lib/toolbar/toolbar.ts
index 691c274a3fea..ee587a44f22f 100644
--- a/src/lib/toolbar/toolbar.ts
+++ b/src/lib/toolbar/toolbar.ts
@@ -9,7 +9,7 @@ import {
   ElementRef,
   Renderer
 } from '@angular/core';
-import {CompatibilityModule} from '../core';
+import {CompatibilityModule, MdThemeCheckModule} from '../core';
 
 
 @Directive({
@@ -57,7 +57,7 @@ export class MdToolbar {
 
 
 @NgModule({
-  imports: [CompatibilityModule],
+  imports: [CompatibilityModule, MdThemeCheckModule],
   exports: [MdToolbar, MdToolbarRow, CompatibilityModule],
   declarations: [MdToolbar, MdToolbarRow],
 })
diff --git a/src/lib/tooltip/tooltip.ts b/src/lib/tooltip/tooltip.ts
index 94dc7780062a..7af549f13f8d 100644
--- a/src/lib/tooltip/tooltip.ts
+++ b/src/lib/tooltip/tooltip.ts
@@ -26,6 +26,7 @@ import {
   OverlayConnectionPosition,
   OriginConnectionPosition,
   CompatibilityModule,
+  MdThemeCheckModule,
 } from '../core';
 import {MdTooltipInvalidPositionError} from './tooltip-errors';
 import {Observable} from 'rxjs/Observable';
@@ -406,7 +407,7 @@ export class TooltipComponent {
 
 
 @NgModule({
-  imports: [OverlayModule, CompatibilityModule],
+  imports: [OverlayModule, CompatibilityModule, MdThemeCheckModule],
   exports: [MdTooltip, TooltipComponent, CompatibilityModule],
   declarations: [MdTooltip, TooltipComponent],
   entryComponents: [TooltipComponent],