diff --git a/cal_tools/cal_tools/agipdlib.py b/cal_tools/cal_tools/agipdlib.py
index d76e54a596edc181762bc808544d6158606d7de3..84bc94255fcee20b0680116306c45032a9c5fac7 100644
--- a/cal_tools/cal_tools/agipdlib.py
+++ b/cal_tools/cal_tools/agipdlib.py
@@ -267,7 +267,9 @@ class AgipdCorrections:
                     med = np.nanmedian(ado, axis=(1, 2))[:, None, None]
                     doff[:, i * 64:(i + 1) * 64, j * 64:(j + 1) * 64] = med
 
-            self.offset[..., 1] += doff
+            # This is deprecated part of code, which is not compatible with
+            # existing PC constants.
+            # self.offset[..., 1] += doff
 
         if self.adjust_mg_baseline and slopesPC is not None:
             x = np.linspace(0, 1000, 1000)