diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cdc72be24..399a51477 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -120,12 +120,11 @@ jobs:
       uses: actions-rs/cargo@v1
       with:
         command: test
-        # TODO: `objc_foundation/block` feature doesn't work
         args: --verbose --no-fail-fast --no-default-features
 
-    - name: Test w. exception and verify_message features
+    - name: Test with features
       uses: actions-rs/cargo@v1
       with:
         command: test
-        # TODO: `objc_foundation/block` feature doesn't work
-        args: --verbose --no-fail-fast --no-default-features --features exception,verify_message
+        # Not using --all-features because some features are nightly-only
+        args: --verbose --no-fail-fast --features block,exception,verify_message
diff --git a/objc_foundation/Cargo.toml b/objc_foundation/Cargo.toml
index c9c8bf31d..8fcf11094 100644
--- a/objc_foundation/Cargo.toml
+++ b/objc_foundation/Cargo.toml
@@ -20,6 +20,7 @@ license = "MIT"
 default = ["block"]
 
 [dependencies]
+# Feature provided as a way to cut down on dependencies
 block = { path = "../objc_block", optional = true, version = "0.1" }
 objc = { path = "../objc", version = "0.2.7" }
 objc_id = { path = "../objc_id", version = "0.1.1" }