diff --git a/DataFormats/L1TrackTrigger/BuildFile.xml b/DataFormats/L1TrackTrigger/BuildFile.xml
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/L1Trigger/TrackTrigger/BuildFile.xml b/L1Trigger/TrackTrigger/BuildFile.xml
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/SimTracker/SiPhase2Digitizer/BuildFile.xml b/SimTracker/SiPhase2Digitizer/BuildFile.xml
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/SimTracker/TrackTriggerAssociation/BuildFile.xml b/SimTracker/TrackTriggerAssociation/BuildFile.xml
new file mode 100644
index 0000000000000..e69de29bb2d1d