diff --git a/build/unix/makepchinput.py b/build/unix/makepchinput.py
index aa53556c91fc227c5ff08ad1e8f0b9fa4f5905d1..a6500c367a4a2f317e9273135627c1a105df57b2 100755
--- a/build/unix/makepchinput.py
+++ b/build/unix/makepchinput.py
@@ -436,7 +436,7 @@ def getExtraHeaders():
 def removeUnwantedHeaders(allHeadersContent):
    """ remove unwanted headers, e.g. the ones used for dictionaries but not desirable in the pch
    """
-   unwantedHeaders = ["ROOT/TDataFrame.hxx"]
+   unwantedHeaders = []
    for unwantedHeader in unwantedHeaders:
       allHeadersContent = allHeadersContent.replace('#include "%s"' %unwantedHeader,"")
    return allHeadersContent