diff --git a/yaml/duplex_history.yaml b/yaml/duplex_history.yaml
index 9496a4c..e6b1d18 100644
--- a/yaml/duplex_history.yaml
+++ b/yaml/duplex_history.yaml
@@ -1,9 +1,3 @@
 src: ifc/duplex_merge.ifc
-
-operations:
-  - name: ReadHistory
-    command: history
-    input: ifc/duplex_merge.ifc
-    output: ifc/history.json
-
 dest: ifc/duplex_merge.ifc
+operations: []