diff --git a/.changeset/calm-turtles-smoke.md b/.changeset/calm-turtles-smoke.md
new file mode 100644
index 0000000000..f2d473fe9f
--- /dev/null
+++ b/.changeset/calm-turtles-smoke.md
@@ -0,0 +1,7 @@
+---
+'@backstage/core': minor
+---
+
+Removed `InfoCard` variant `height100`, originally deprecated in [#2826](https://github.com/backstage/backstage/pull/2826).
+
+If your component still relies on this variant, simply replace it with `gridItem`.
diff --git a/packages/core/src/layout/InfoCard/InfoCard.tsx b/packages/core/src/layout/InfoCard/InfoCard.tsx
index 5d77f4f34a..af10010d14 100644
--- a/packages/core/src/layout/InfoCard/InfoCard.tsx
+++ b/packages/core/src/layout/InfoCard/InfoCard.tsx
@@ -76,26 +76,11 @@ const VARIANT_STYLES = {
       height: 'calc(100% - 10px)', // for pages without content header
       marginBottom: '10px',
     },
-    /**
-     * @deprecated This variant is replaced by 'gridItem'.
-     */
-    height100: {
-      display: 'flex',
-      flexDirection: 'column',
-      height: 'calc(100% - 10px)', // for pages without content header
-      marginBottom: '10px',
-    },
   },
   cardContent: {
     fullHeight: {
       flex: 1,
     },
-    /**
-     * @deprecated This variant is replaced by 'gridItem'.
-     */
-    height100: {
-      flex: 1,
-    },
     gridItem: {
       flex: 1,
     },
@@ -167,12 +152,6 @@ export const InfoCard = ({
   if (variant) {
     const variants = variant.split(/[\s]+/g);
     variants.forEach(name => {
-      if (name === 'height100') {
-        // eslint-disable-next-line no-console
-        console.warn(
-          "Variant 'height100' of InfoCard is deprecated. Use variant 'gridItem' instead.",
-        );
-      }
       calculatedStyle = {
         ...calculatedStyle,
         ...VARIANT_STYLES.card[name as keyof typeof VARIANT_STYLES['card']],