diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
index 31fd42b..acffdbe 100644
--- a/.github/workflows/integration.yaml
+++ b/.github/workflows/integration.yaml
@@ -24,7 +24,9 @@ jobs:
         python-version: 3.11
 
     - name: Install requirements
-      run: pip install nomenclature-iamc pytest
+      run: |
+        pip install nomenclature-iamc>=0.19.1 pytest
+        pip list
 
     - name: Run the integration test
       run: pytest tests/test_integration.py --rootdir='tests'
diff --git a/definitions/variable/variable.yaml b/definitions/variable/variable.yaml
index dd31e30..7ecdcf8 100644
--- a/definitions/variable/variable.yaml
+++ b/definitions/variable/variable.yaml
@@ -2432,15 +2432,6 @@
     definition: secondary energy consumption of hydrogen for the autoproduction of
       liquids, incl. hydrocarbon inputs for olefine production
     unit: EJ/yr
-- Energy Service|Commercial|Floor Space:
-    definition: energy service demand for conditioned floor space in commercial buildings
-    unit: bn m2
-- Energy Service|Residential and Commercial|Floor Space:
-    definition: energy service demand for conditioned floor space in buildings
-    unit: bn m2
-- Energy Service|Residential|Floor Space:
-    definition: energy service demand for conditioned floor space in residential buildings
-    unit: bn m2
 - Energy Service|Transportation|Freight|Domestic Aviation:
     definition: energy service demand for freight transport on domestic aircrafts
     unit: bn tkm/yr