diff --git a/book.toml b/book.toml
index 747567461..9170ceb70 100644
--- a/book.toml
+++ b/book.toml
@@ -41,7 +41,7 @@ cache-timeout = 86400
 warning-policy = "error"
 
 [output.linkcheck.http-headers]
-'github\.com' = ["Accept: application/vnd.github+json", "Authorization: Bearer $GITHUB_TOKEN"]
+'github\.com' = ["Authorization: Bearer $GITHUB_TOKEN"]
 
 [output.html.redirect]
 "/compiletest.html" = "tests/compiletest.html"