diff --git a/unit/llnl.dat b/unit/llnl.dat.old
similarity index 100%
rename from unit/llnl.dat
rename to unit/llnl.dat.old
diff --git a/unit/phreeqc.dat b/unit/phreeqc.dat.old
similarity index 100%
rename from unit/phreeqc.dat
rename to unit/phreeqc.dat.old