diff --git a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-cms/components/django.cms.blog.app.page.css b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-cms/components/django.cms.blog.app.page.css
index 972b7a854..50cf43e32 100644
--- a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-cms/components/django.cms.blog.app.page.css
+++ b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-cms/components/django.cms.blog.app.page.css
@@ -1,4 +1,5 @@
 /* Media & Content - Alignment */
+/* TODO: Share relevant styles with c-news and c-feed-list */
 
 
 
diff --git a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-button.css b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-button.css
deleted file mode 100644
index 40646d268..000000000
--- a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-button.css
+++ /dev/null
@@ -1,7 +0,0 @@
-/* TODO: Remove from c-button (once it becomes redundant there) */
-/* FAQ: This is now added in generics/attributes.css */
-/*
-[disabled] {
-  pointer-events: none;
-}
-*/
diff --git a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-content-block.css b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-content-block.css
deleted file mode 100644
index d8d720c6c..000000000
--- a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-content-block.css
+++ /dev/null
@@ -1,12 +0,0 @@
-/* FAQ: Used on TACC as `content-block` */
-/* SEE: https://dev.tup.tacc.utexas.edu/use-tacc/stem-evaluation-services/ */
-
-:is(.c-content-block, .content-block) {
-    margin-bottom: var(--global-space--bootstrap-gap);
-    padding: var(--global-space--pattern-pad);
-}
-
-:is(.c-content-block, .content-block) :is(h1, h2, h3, h4, h5, h6) {
-    border-left: var(--global-border-width--xx-thick) solid var(--global-color-accent--tertiary);
-    padding-left: 10px;
-}
diff --git a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-update.css b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-update.css
deleted file mode 100644
index ed8c17e63..000000000
--- a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/components/c-update.css
+++ /dev/null
@@ -1,10 +0,0 @@
-.c-update__header {
-  display: flex;
-  align-items: baseline;
-}
-
-.c-update__title {
-  margin-right: 0.5em;
-
-  text-transform: uppercase;
-}
diff --git a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/generics/attributes.css b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/generics/attributes.css
deleted file mode 100644
index 5fc9012e1..000000000
--- a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/generics/attributes.css
+++ /dev/null
@@ -1,13 +0,0 @@
-/* To render data-prefix value as prefixed text */
-[data-prefix]::before {
-  display: inline-block;
-  content: attr(data-prefix);
-  margin-right: 0.25ch;
-
-  text-transform: none;
-}
-
-/* TODO: Remove from c-button in Core-Styles */
-[disabled] {
-  pointer-events: none;
-}
diff --git a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/trumps/u-highlight.css b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/trumps/u-highlight.css
index b45c67bb7..ae6822c31 100644
--- a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/trumps/u-highlight.css
+++ b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/for-core-styles/trumps/u-highlight.css
@@ -1,6 +1,9 @@
 /* Highlight */
 /* TODO: Create an .x-highlight used to extend a <mark> and a .u-highlight */
 
+/* TODO: Consider whether <mark> should be in Core-Styles…
+         Perhaps the client should decide what tag to use. */
+/* SEE: https://tacc-team.slack.com/archives/CQUA4D5KJ/p1696285622741979 */
 mark,
 .x-highlight,
 :is(.u-highlight, .highlight) {
diff --git a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/tup-cms.for-core-styles.css b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/tup-cms.for-core-styles.css
index 8bfc4d0d6..3a222caaa 100644
--- a/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/tup-cms.for-core-styles.css
+++ b/apps/tup-cms/src/taccsite_custom/tup_cms/static/tup_cms/css/tup-cms.for-core-styles.css
@@ -5,7 +5,7 @@
 /* … */
 
 /* GENERICS */
-@import url("./for-core-styles/generics/attributes.css") layer(base);
+/* … */
 
 /* ELEMENTS */
 /* … */
@@ -18,11 +18,9 @@
 @import url("./for-core-styles/components/c-button.css") layer(base);
 @import url("./for-core-styles/components/c-card.css") layer(base);
 @import url("./for-core-styles/components/c-card--frontera-about-page.css") layer(base);
-@import url("./for-core-styles/components/c-content-block.css") layer(base);
 @import url("./for-core-styles/components/c-feed-list.css") layer(base);
 @import url("./for-core-styles/components/c-news.css") layer(base);
 @import url("./for-core-styles/components/c-pill.css") layer(base);
-@import url("./for-core-styles/components/c-update.css") layer(base);
 
 /* TRUMPS */
 @import url("./for-core-styles/trumps/u-highlight.css") layer(base);
diff --git a/apps/tup-ui/src/main.global.for-core-styles.css b/apps/tup-ui/src/main.global.for-core-styles.css
index f54d0de31..f173dc2e2 100644
--- a/apps/tup-ui/src/main.global.for-core-styles.css
+++ b/apps/tup-ui/src/main.global.for-core-styles.css
@@ -44,16 +44,6 @@ hr {
   height: 16px;
 }
 
-/* TODO: Remove this after:
-         0. attributes.css is migrated to Core-Styles
-         1. attributes.css is loaded by Portal */
-[data-prefix]::before {
-  display: inline-block;
-  content: attr(data-prefix);
-  margin-right: 0.25ch;
-  text-transform: none;
-}
-
 /* TODO: Remove this after:
          0. CEP v2 colors are removed from Core-Styles settings/color--portal */
 #page-portal main /* i.e. global-safe :root */ {