diff --git a/python/lsst/pipe/tasks/postprocess.py b/python/lsst/pipe/tasks/postprocess.py
index 102731fa5..df583f460 100644
--- a/python/lsst/pipe/tasks/postprocess.py
+++ b/python/lsst/pipe/tasks/postprocess.py
@@ -1773,11 +1773,13 @@ def run(self, inputCatalogs, referenceCatalog, funcs=None, dataId=None, band=Non
         outputCatalog.index.rename(self.config.keyRef, inplace=True)
         # Add config.keyRef to the column list
         outputCatalog.reset_index(inplace=True)
-        # Set the forcedSourceId to the index. This is specified in the
-        # ForcedSource.yaml
-        outputCatalog.set_index("forcedSourceId", inplace=True, verify_integrity=True)
-        # Rename it to the config.key
-        outputCatalog.index.rename(self.config.key, inplace=True)
+
+        if "forcedSourceId" in outputCatalog.columns:
+            # Set the forcedSourceId to the index. This is specified in the
+            # ForcedSource.yaml
+            outputCatalog.set_index("forcedSourceId", inplace=True, verify_integrity=True)
+            # Rename it to the config.key
+            outputCatalog.index.rename(self.config.key, inplace=True)
 
         self.log.info("Made a table of %d columns and %d rows",
                       len(outputCatalog.columns), len(outputCatalog))
diff --git a/schemas/ForcedSource.yaml b/schemas/ForcedSource.yaml
index 1967a68a3..7e5d9bc72 100644
--- a/schemas/ForcedSource.yaml
+++ b/schemas/ForcedSource.yaml
@@ -3,10 +3,6 @@
 # `lsst.pipe.tasks.postprocess.TransformForcedSourceTableTask`.
 # See the DPDD for more information about the output: https://lse-163.lsst.io
 funcs:
-    forcedSourceId:
-        functor: Column
-        args: id
-        dataset: calexp
     parentObjectId:
         functor: Column
         args: parent