diff --git a/.github/workflows/build-check.yaml b/.github/workflows/build-check.yaml
index f62ba41a2..fb4b38908 100644
--- a/.github/workflows/build-check.yaml
+++ b/.github/workflows/build-check.yaml
@@ -274,11 +274,10 @@ jobs:
       - name: Build project
         run: |
           sudo apt install -y ninja-build
-          Z_FEATURE_UNSTABLE_API=1 Z_FEATURE_LIVELINESS=1 CMAKE_GENERATOR=Ninja make
+          CMAKE_GENERATOR=Ninja make
       
       - name: Run test
         run: |
-          ls -la ./build/examples/
           python3 ./build/tests/memory_leak.py
         timeout-minutes: 15
 
diff --git a/GNUmakefile b/GNUmakefile
index 15985b481..95942d486 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -62,6 +62,7 @@ Z_FEATURE_SUBSCRIPTION?=1
 Z_FEATURE_QUERY?=1
 Z_FEATURE_QUERYABLE?=1
 Z_FEATURE_INTEREST?=1
+Z_FEATURE_LIVELINESS?=1
 Z_FEATURE_RAWETH_TRANSPORT?=0
 
 # Buffer sizes