diff --git a/.circleci/config.yml b/.circleci/config.yml
index 42feec2dd..5662b8a6c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -175,6 +175,11 @@ jobs:
       - checkout
       - restore-cargo-cache
       - install-protoc
+      # Check this to make sure we do not include patched dependencies in
+      # the Cargo.lock.
+      - run:
+          command: |
+            [[ -z $(cat Cargo.lock | grep "\[\[patch.unused\]\]") ]]
       - run: cargo fmt --all --check
       # TODO: this is incompatible with workspace inheritance, uncomment when
       # https://github.com/DevinR528/cargo-sort/pull/29 is merged
diff --git a/Cargo.lock b/Cargo.lock
index 1a2d638aa..a6f13220f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7222,23 +7222,3 @@ dependencies = [
  "cc",
  "libc",
 ]
-
-[[patch.unused]]
-name = "shuttle-aws-rds"
-version = "0.12.0"
-
-[[patch.unused]]
-name = "shuttle-persist"
-version = "0.12.0"
-
-[[patch.unused]]
-name = "shuttle-poise"
-version = "0.12.0"
-
-[[patch.unused]]
-name = "shuttle-shared-db"
-version = "0.12.0"
-
-[[patch.unused]]
-name = "shuttle-static-folder"
-version = "0.12.0"