diff --git a/packages/eui/changelogs/upcoming/8762.md b/packages/eui/changelogs/upcoming/8762.md
new file mode 100644
index 00000000000..f22b20a9b52
--- /dev/null
+++ b/packages/eui/changelogs/upcoming/8762.md
@@ -0,0 +1,3 @@
+**Breaking changes**
+
+- Removed `xl` size from `EuiTabs`
diff --git a/packages/eui/src/components/page/page_header/__snapshots__/page_header_content.test.tsx.snap b/packages/eui/src/components/page/page_header/__snapshots__/page_header_content.test.tsx.snap
index bc6ad9625b0..bb303c77089 100644
--- a/packages/eui/src/components/page/page_header/__snapshots__/page_header_content.test.tsx.snap
+++ b/packages/eui/src/components/page/page_header/__snapshots__/page_header_content.test.tsx.snap
@@ -552,7 +552,7 @@ exports[`EuiPageHeaderContent props tabs is rendered 1`] = `
         Tab 1
       </h1>
       <div
-        class="euiTabs emotion-euiTabs-xl"
+        class="euiTabs emotion-euiTabs-l"
         role="tablist"
       >
         <button
@@ -563,7 +563,7 @@ exports[`EuiPageHeaderContent props tabs is rendered 1`] = `
           type="button"
         >
           <span
-            class="euiTab__content eui-textTruncate emotion-euiTab__content-xl"
+            class="euiTab__content eui-textTruncate emotion-euiTab__content-l"
           >
             Tab 1
           </span>
@@ -576,7 +576,7 @@ exports[`EuiPageHeaderContent props tabs is rendered 1`] = `
           type="button"
         >
           <span
-            class="euiTab__content eui-textTruncate emotion-euiTab__content-xl"
+            class="euiTab__content eui-textTruncate emotion-euiTab__content-l"
           >
             Tab 2
           </span>
@@ -604,7 +604,7 @@ exports[`EuiPageHeaderContent props tabs is rendered with tabsProps 1`] = `
       </h1>
       <div
         aria-label="aria-label"
-        class="euiTabs testClass1 testClass2 emotion-euiTabs-xl-euiTestCss"
+        class="euiTabs testClass1 testClass2 emotion-euiTabs-l-euiTestCss"
         data-test-subj="test subject string"
         role="tablist"
       >
@@ -616,7 +616,7 @@ exports[`EuiPageHeaderContent props tabs is rendered with tabsProps 1`] = `
           type="button"
         >
           <span
-            class="euiTab__content eui-textTruncate emotion-euiTab__content-xl"
+            class="euiTab__content eui-textTruncate emotion-euiTab__content-l"
           >
             Tab 1
           </span>
@@ -629,7 +629,7 @@ exports[`EuiPageHeaderContent props tabs is rendered with tabsProps 1`] = `
           type="button"
         >
           <span
-            class="euiTab__content eui-textTruncate emotion-euiTab__content-xl"
+            class="euiTab__content eui-textTruncate emotion-euiTab__content-l"
           >
             Tab 2
           </span>
diff --git a/packages/eui/src/components/page/page_header/page_header_content.tsx b/packages/eui/src/components/page/page_header/page_header_content.tsx
index 1b534124ada..62cb21a2614 100644
--- a/packages/eui/src/components/page/page_header/page_header_content.tsx
+++ b/packages/eui/src/components/page/page_header/page_header_content.tsx
@@ -272,8 +272,6 @@ export const EuiPageHeaderContent: FunctionComponent<
 
   let tabsNode;
   if (tabs) {
-    const tabsSize: EuiTabsProps['size'] = pageTitle ? 'l' : 'xl';
-
     const renderTabs = () => {
       return tabs.map((tab, index) => {
         const { label, ...tabRest } = tab;
@@ -302,7 +300,7 @@ export const EuiPageHeaderContent: FunctionComponent<
       <>
         {pageTitleNode && <EuiSpacer />}
         {screenReaderPageTitle}
-        <EuiTabs {...tabsProps} bottomBorder={false} size={tabsSize}>
+        <EuiTabs {...tabsProps} bottomBorder={false} size="l">
           {renderTabs()}
         </EuiTabs>
       </>
diff --git a/packages/eui/src/components/tabs/__snapshots__/tabs.test.tsx.snap b/packages/eui/src/components/tabs/__snapshots__/tabs.test.tsx.snap
index 99dfad26e4b..4d1149f1036 100644
--- a/packages/eui/src/components/tabs/__snapshots__/tabs.test.tsx.snap
+++ b/packages/eui/src/components/tabs/__snapshots__/tabs.test.tsx.snap
@@ -84,27 +84,6 @@ exports[`EuiTabs props size s renders and passes down to EuiTab children 1`] = `
 </div>
 `;
 
-exports[`EuiTabs props size xl renders and passes down to EuiTab children 1`] = `
-<div
-  class="euiTabs emotion-euiTabs-xl-bottomBorder"
-  role="tablist"
->
-  <button
-    aria-selected="false"
-    class="euiTab emotion-euiTab"
-    role="tab"
-    tabindex="-1"
-    type="button"
-  >
-    <span
-      class="euiTab__content eui-textTruncate emotion-euiTab__content-xl"
-    >
-      Tab
-    </span>
-  </button>
-</div>
-`;
-
 exports[`EuiTabs renders 1`] = `
 <div
   aria-label="aria-label"
diff --git a/packages/eui/src/components/tabs/tab.styles.ts b/packages/eui/src/components/tabs/tab.styles.ts
index 88ec2a47295..8550ccbe64e 100644
--- a/packages/eui/src/components/tabs/tab.styles.ts
+++ b/packages/eui/src/components/tabs/tab.styles.ts
@@ -99,12 +99,5 @@ export const euiTabContentStyles = (euiThemeContext: UseEuiTheme) => {
         (x, y) => x + y
       )};
     `,
-    xl: css`
-      font-size: ${euiFontSize(euiThemeContext, 'l').fontSize};
-      line-height: ${mathWithUnits(
-        [euiTheme.size.xxxl, euiTheme.size.s],
-        (x, y) => x + y
-      )};
-    `,
   };
 };
diff --git a/packages/eui/src/components/tabs/tabs.styles.ts b/packages/eui/src/components/tabs/tabs.styles.ts
index 34016c64e36..c22458b24cf 100644
--- a/packages/eui/src/components/tabs/tabs.styles.ts
+++ b/packages/eui/src/components/tabs/tabs.styles.ts
@@ -39,8 +39,5 @@ export const euiTabsStyles = (euiThemeContext: UseEuiTheme) => {
     l: css`
       gap: ${euiTheme.size.l};
     `,
-    xl: css`
-      gap: ${euiTheme.size.xl};
-    `,
   };
 };
diff --git a/packages/eui/src/components/tabs/tabs.tsx b/packages/eui/src/components/tabs/tabs.tsx
index eaa0ca38edc..2ffa09d5efb 100644
--- a/packages/eui/src/components/tabs/tabs.tsx
+++ b/packages/eui/src/components/tabs/tabs.tsx
@@ -19,7 +19,7 @@ import { CommonProps } from '../common';
 import { euiTabsStyles } from './tabs.styles';
 import { EuiTabsContext } from './tabs_context';
 
-export const SIZES = ['s', 'm', 'l', 'xl'] as const;
+export const SIZES = ['s', 'm', 'l'] as const;
 export type EuiTabsSizes = (typeof SIZES)[number];
 
 export type EuiTabsProps = HTMLAttributes<HTMLDivElement> &
@@ -40,7 +40,6 @@ export type EuiTabsProps = HTMLAttributes<HTMLDivElement> &
     bottomBorder?: boolean;
     /**
      * Sizes affect both font size and overall size.
-     * Only use the `xl` size when displayed as page titles.
      */
     size?: EuiTabsSizes;
   };