diff --git a/components/colors/colors.js b/components/colors/colors.js
index 4166045d61e..2cf5cb70890 100644
--- a/components/colors/colors.js
+++ b/components/colors/colors.js
@@ -1,5 +1,3 @@
-import '@webcomponents/shadycss/entrypoints/custom-style-interface.js';
-
 if (!document.head.querySelector('#d2l-colors')) {
 	const style = document.createElement('style');
 	style.id = 'd2l-colors';
@@ -94,5 +92,4 @@ if (!document.head.querySelector('#d2l-colors')) {
 		}
 	`;
 	document.head.appendChild(style);
-	window.ShadyCSS.CustomStyleInterface.addCustomStyle(style);
 }
diff --git a/components/html-block/html-block.js b/components/html-block/html-block.js
index e32b68606cb..532f5a42324 100644
--- a/components/html-block/html-block.js
+++ b/components/html-block/html-block.js
@@ -70,13 +70,13 @@ export const htmlBlockContentStyles = css`
 	a:visited,
 	a:link,
 	a:active {
-		color: var(--d2l-color-celestine);
+		color: var(--d2l-color-celestine, #006fbf);
 		cursor: pointer;
 		text-decoration: none;
 	}
 	a:hover,
 	a:focus {
-		color: var(--d2l-color-celestine-minus-1);
+		color: var(--d2l-color-celestine-minus-1, #004489);
 		outline-width: 0;
 		text-decoration: underline;
 	}
@@ -85,7 +85,7 @@ export const htmlBlockContentStyles = css`
 		a:visited,
 		a:link,
 		a:active {
-			color: var(--d2l-color-ferrite);
+			color: var(--d2l-color-ferrite, #494c4e);
 		}
 	}
 	mjx-assistive-mml math {
diff --git a/components/typography/typography.js b/components/typography/typography.js
index 2c680cb33ed..f4190eb1684 100644
--- a/components/typography/typography.js
+++ b/components/typography/typography.js
@@ -1,4 +1,3 @@
-import '@webcomponents/shadycss/entrypoints/custom-style-interface.js';
 import '../colors/colors.js';
 
 export const importUrl = 'https://s.brightspace.com/lib/fonts/0.5.0/assets/';
@@ -144,5 +143,4 @@ if (!document.head.querySelector('#d2l-typography-font-face')) {
 		}
 	`;
 	document.head.appendChild(style);
-	window.ShadyCSS.CustomStyleInterface.addCustomStyle(style);
 }
diff --git a/package-lock.json b/package-lock.json
index c28c06ca3e0..c702b9805a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1285,11 +1285,6 @@
         }
       }
     },
-    "@webcomponents/shadycss": {
-      "version": "1.11.0",
-      "resolved": "https://registry.npmjs.org/@webcomponents/shadycss/-/shadycss-1.11.0.tgz",
-      "integrity": "sha512-L5O/+UPum8erOleNjKq6k58GVl3fNsEQdSOyh0EUhNmi7tHUyRuCJy1uqJiWydWcLARE5IPsMoPYMZmUGrz1JA=="
-    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
diff --git a/package.json b/package.json
index 2050ecb2a76..264053a2c95 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,6 @@
     "@brightspace-ui/intl": "^3",
     "@formatjs/intl-pluralrules": "^1",
     "@open-wc/dedupe-mixin": "^1",
-    "@webcomponents/shadycss": "^1",
     "focus-visible": "^5",
     "ifrau": "^0.39",
     "intl-messageformat": "^7",