diff --git a/src/runtime/composables/local/useAuth.ts b/src/runtime/composables/local/useAuth.ts
index 1368fe0d..0d688b70 100644
--- a/src/runtime/composables/local/useAuth.ts
+++ b/src/runtime/composables/local/useAuth.ts
@@ -10,7 +10,7 @@ import { type UseAuthStateReturn, useAuthState } from './useAuthState'
 import { callWithNuxt } from '#app/nuxt'
 // @ts-expect-error - #auth not defined
 import type { SessionData } from '#auth'
-import { navigateTo, nextTick, useNuxtApp, useRuntimeConfig } from '#imports'
+import { navigateTo, nextTick, useCookie, useNuxtApp, useRuntimeConfig } from '#imports'
 
 type Credentials = { username?: string, email?: string, password?: string } & Record<string, any>
 
@@ -87,6 +87,28 @@ const signOut: SignOutFunc = async (signOutOptions) => {
     }
   }
 
+  // Explicitly clear both cookies to avoid watcher issues
+  // Use the same options to clear the cookie as the ones used to set it
+  useCookie(config.token.cookieName, {
+    maxAge: 0,
+    domain: config.token.cookieDomain,
+    sameSite: config.token.sameSiteAttribute,
+    secure: config.token.secureCookieAttribute,
+    httpOnly: config.token.httpOnlyCookieAttribute
+  }).value = null
+
+  // Clear the refresh cookie too, if enabled
+  if (config.refresh.isEnabled) {
+    useCookie(config.refresh.token.cookieName, {
+      maxAge: 0,
+      domain: config.refresh.token.cookieDomain,
+      sameSite: config.refresh.token.sameSiteAttribute,
+      secure: config.refresh.token.secureCookieAttribute,
+      httpOnly: config.refresh.token.httpOnlyCookieAttribute
+    }).value = null
+  }
+
+  // Clear local state
   data.value = null
   rawToken.value = null
   rawRefreshToken.value = null
diff --git a/src/runtime/plugins/refresh-token.server.ts b/src/runtime/plugins/refresh-token.server.ts
index bd79d432..c386f98b 100644
--- a/src/runtime/plugins/refresh-token.server.ts
+++ b/src/runtime/plugins/refresh-token.server.ts
@@ -11,7 +11,7 @@ export default defineNuxtPlugin({
     const { rawToken, rawRefreshToken, refreshToken, token, lastRefreshedAt }
       = useAuthState()
 
-    if (refreshToken.value && token.value) {
+    if (refreshToken.value) {
       const config = nuxtApp.$config.public.auth
       const configToken = useTypedBackendConfig(useRuntimeConfig(), 'local')
 
@@ -20,10 +20,12 @@ export default defineNuxtPlugin({
       const { path, method } = provider.refresh.endpoint
       const refreshRequestTokenPointer = provider.refresh.token.refreshRequestTokenPointer
 
-      // include header in case of auth is required to avoid 403 rejection
-      const headers = new Headers({
-        [configToken.token.headerName]: token.value
-      } as HeadersInit)
+      const headers = new Headers()
+
+      // To perform the refresh, some backends may require the auth token to also be set.
+      if (token.value) {
+        headers.set(configToken.token.headerName, token.value)
+      }
 
       try {
         const response = await _fetch<Record<string, any>>(nuxtApp, path, {
@@ -40,8 +42,7 @@ export default defineNuxtPlugin({
           console.error(
             `Auth: string token expected, received instead: ${JSON.stringify(
               extractedToken
-            )}. Tried to find token at ${
-              provider.token.signInResponseTokenPointer
+            )}. Tried to find token at ${provider.token.signInResponseTokenPointer
             } in ${JSON.stringify(response)}`
           )
           return
@@ -57,8 +58,7 @@ export default defineNuxtPlugin({
             console.error(
               `Auth: string token expected, received instead: ${JSON.stringify(
                 extractedRefreshToken
-              )}. Tried to find token at ${
-                provider.refresh.token.signInResponseRefreshTokenPointer
+              )}. Tried to find token at ${provider.refresh.token.signInResponseRefreshTokenPointer
               } in ${JSON.stringify(response)}`
             )
             return