diff --git a/docs/migration/draft-v9-migration-guide.md b/docs/migration/draft-v9-migration-guide.md
index 1b8cab48aec0..d9e1242f3be8 100644
--- a/docs/migration/draft-v9-migration-guide.md
+++ b/docs/migration/draft-v9-migration-guide.md
@@ -7,6 +7,7 @@
 - Deprecated `AddRequestDataToEventOptions.transaction`. This option effectively doesn't do anything anymore, and will
   be removed in v9.
 - Deprecated `TransactionNamingScheme` type.
+- Deprecated `validSeverityLevels`. Will not be replaced.
 - Deprecated `urlEncode`. No replacements.
 
 ## `@sentry/core`
diff --git a/packages/core/src/utils-hoist/index.ts b/packages/core/src/utils-hoist/index.ts
index b6bb7151a7e3..9498d22d3620 100644
--- a/packages/core/src/utils-hoist/index.ts
+++ b/packages/core/src/utils-hoist/index.ts
@@ -84,6 +84,7 @@ export type {
   TransactionNamingScheme,
 } from './requestdata';
 
+// eslint-disable-next-line deprecation/deprecation
 export { severityLevelFromString, validSeverityLevels } from './severity';
 export {
   UNKNOWN_FUNCTION,
diff --git a/packages/core/src/utils-hoist/severity.ts b/packages/core/src/utils-hoist/severity.ts
index c19c047c90bf..f5217b8b87c9 100644
--- a/packages/core/src/utils-hoist/severity.ts
+++ b/packages/core/src/utils-hoist/severity.ts
@@ -1,15 +1,8 @@
 import type { SeverityLevel } from '@sentry/types';
 
-// Note: Ideally the `SeverityLevel` type would be derived from `validSeverityLevels`, but that would mean either
-//
-// a) moving `validSeverityLevels` to `@sentry/types`,
-// b) moving the`SeverityLevel` type here, or
-// c) importing `validSeverityLevels` from here into `@sentry/types`.
-//
-// Option A would make `@sentry/types` a runtime dependency of `@sentry/core` (not good), and options B and C would
-// create a circular dependency between `@sentry/types` and `@sentry/core` (also not good). So a TODO accompanying the
-// type, reminding anyone who changes it to change this list also, will have to do.
-
+/**
+ * @deprecated This variable has been deprecated and will be removed in the next major version.
+ */
 export const validSeverityLevels = ['fatal', 'error', 'warning', 'log', 'info', 'debug'];
 
 /**
@@ -19,5 +12,7 @@ export const validSeverityLevels = ['fatal', 'error', 'warning', 'log', 'info',
  * @returns The `SeverityLevel` corresponding to the given string, or 'log' if the string isn't a valid level.
  */
 export function severityLevelFromString(level: SeverityLevel | string): SeverityLevel {
-  return (level === 'warn' ? 'warning' : validSeverityLevels.includes(level) ? level : 'log') as SeverityLevel;
+  return (
+    level === 'warn' ? 'warning' : ['fatal', 'error', 'warning', 'log', 'info', 'debug'].includes(level) ? level : 'log'
+  ) as SeverityLevel;
 }
diff --git a/packages/core/test/utils-hoist/severity.test.ts b/packages/core/test/utils-hoist/severity.test.ts
index 30e3dbb90e97..65388428b65c 100644
--- a/packages/core/test/utils-hoist/severity.test.ts
+++ b/packages/core/test/utils-hoist/severity.test.ts
@@ -1,4 +1,4 @@
-import { severityLevelFromString, validSeverityLevels } from '../../src/utils-hoist/severity';
+import { severityLevelFromString } from '../../src/utils-hoist/severity';
 
 describe('severityLevelFromString()', () => {
   test("converts 'warn' to 'warning'", () => {
@@ -10,7 +10,7 @@ describe('severityLevelFromString()', () => {
   });
 
   test('acts as a pass-through for valid level strings', () => {
-    for (const level of validSeverityLevels) {
+    for (const level of ['fatal', 'error', 'warning', 'log', 'info', 'debug']) {
       expect(severityLevelFromString(level)).toBe(level);
     }
   });
diff --git a/packages/types/src/severity.ts b/packages/types/src/severity.ts
index 8a59bef56f30..73a685f5c5a6 100644
--- a/packages/types/src/severity.ts
+++ b/packages/types/src/severity.ts
@@ -1,3 +1 @@
-// Note: If this is ever changed, the `validSeverityLevels` array in `@sentry/core` needs to be changed, also. (See
-// note there for why we can't derive one from the other.)
 export type SeverityLevel = 'fatal' | 'error' | 'warning' | 'log' | 'info' | 'debug';
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index 17e2bb02aa99..a72d5a7ff573 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -58,6 +58,7 @@ export {
   winterCGHeadersToDict,
   winterCGRequestToRequestData,
   severityLevelFromString,
+  // eslint-disable-next-line deprecation/deprecation
   validSeverityLevels,
   UNKNOWN_FUNCTION,
   createStackParser,