diff --git a/lib/core/src/lib/styles/_mat-selectors.scss b/lib/core/src/lib/styles/_mat-selectors.scss
index de31291353..e7b8e151d3 100644
--- a/lib/core/src/lib/styles/_mat-selectors.scss
+++ b/lib/core/src/lib/styles/_mat-selectors.scss
@@ -3,11 +3,7 @@ $mat-focused: '.mat-focused';
 $mat-line: '.mat-line';
 $mat-tab-label: '.mat-mdc-tab';
 $mat-tab-label-text: '.mdc-tab__text-label';
-$mat-tab-body: '.mat-mdc-tab-body';
-$mat-tab-header: '.mat-mdc-tab-header';
 $mat-tab-body-content: '.mat-mdc-tab-body-content';
-$mat-chip: '.mat-mdc-chip';
-$mat-chip-list: '.mat-mdc-chip-list';
 $mat-checkbox-label: '.mdc-label';
 $mat-button: '.mat-mdc-button';
 $mat-button-label: '.mdc-button__label';
@@ -19,17 +15,14 @@ $mat-form-field-label: '.mat-mdc-floating-label';
 $mat-button-touch-target: '.mat-mdc-button-touch-target';
 $mat-input-element: '.mat-mdc-input-element';
 $mat-card: '.mat-mdc-card';
-$mat-card-header-text: '.mat-mdc-card-header-text';
 $mat-table: '.mat-mdc-table';
 $mat-header-row: '.mat-mdc-header-row';
 $mat-row: '.mat-mdc-row';
 $mat-select: '.mat-mdc-select';
 $mat-select-panel: '.mat-mdc-select-panel';
-$mat-grid-tile: '.mat-grid-tile';
 $mat-sidenav-content: '.mat-sidenav-content';
 $mat-drawer-transition: '.mat-drawer-transition';
 $mat-drawer-content: '.mat-drawer-content';
-$mat-menu-panel: '.mat-mdc-menu-panel';
 $mat-menu-content: '.mat-mdc-menu-content';
 $mat-toolbar: '.mat-toolbar';
 $mat-list-item-unscoped-content: '.mat-mdc-list-item-unscoped-content';
@@ -38,6 +31,5 @@ $mat-text-field-no-label: '.mdc-text-field--no-label';
 $mat-form-field-infix: '.mat-mdc-form-field-infix';
 $mat-dialog-surface: '.mat-mdc-dialog-surface';
 $mat-evolution-chip-action: '.mdc-evolution-chip__action';
-$mat-evolution-chip-graphic: '.mdc-evolution-chip__graphic';
 $mat-select-trigger: '.mat-mdc-select-trigger';
 $mat-form-field-icon-suffix: '.mat-mdc-form-field-icon-suffix';