diff --git a/yaml/office.yaml b/yaml/office.yaml
index a0cafe8..c651ec7 100644
--- a/yaml/office.yaml
+++ b/yaml/office.yaml
@@ -4,5 +4,9 @@ operations:
   - name: List
     command: list
     input: ifc/office.ifc
+  - name: Remove spaces content
+    command: remove
+    input: ifc/office.ifc
+    type: IfcSpace
 
 dest: ifc/office.ifc