diff --git a/.cargo/config.toml.in b/.cargo/config.toml.in
index 99400f9ccbb5..827f91277406 100644
--- a/.cargo/config.toml.in
+++ b/.cargo/config.toml.in
@@ -90,11 +90,6 @@ git = "https://github.com/mozilla/mp4parse-rust"
 rev = "a138e40ec1c603615873e524b5b22e11c0ec4820"
 replace-with = "vendored-sources"
 
-[source."git+https://github.com/mozilla/neqo?tag=v0.7.9"]
-git = "https://github.com/mozilla/neqo"
-tag = "v0.7.9"
-replace-with = "vendored-sources"
-
 [source."git+https://github.com/seanmonstar/warp?rev=9d081461ae1167eb321585ce424f4fef6cf0092b"]
 git = "https://github.com/seanmonstar/warp"
 rev = "9d081461ae1167eb321585ce424f4fef6cf0092b"