diff --git a/htmlparser/src/nsXIFDTD.cpp b/htmlparser/src/nsXIFDTD.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/htmlparser/src/nsXIFDTD.h b/htmlparser/src/nsXIFDTD.h
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/parser/htmlparser/src/nsXIFDTD.cpp b/parser/htmlparser/src/nsXIFDTD.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/parser/htmlparser/src/nsXIFDTD.h b/parser/htmlparser/src/nsXIFDTD.h
deleted file mode 100644
index e69de29bb2d..00000000000