diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ed68656e..41d4ddd1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -79,11 +79,9 @@ jobs:
           - '--no-default-features'
           - ''
           - '--features value-no-dup-keys'
-          - '--features known-key'
           - '--features 128bit'
           - '--features beef'
-          - '--features beef,known-key'
-          - '--features beef,known-key,128bit'
+          - '--features beef,128bit'
           - '--features approx-number-parsing'
     runs-on: ubuntu-latest
     steps:
diff --git a/Cargo.toml b/Cargo.toml
index 61b481cd..37d7b24d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ getopts = "0.2"
 criterion = { version = "0.5" }
 core_affinity = { version = "0.8" }
 
-[target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
+[target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
 proptest = "1.0"
 
 [lib]