diff --git a/pylinac/core/image.py b/pylinac/core/image.py
index 82b5d54a1..9e6071df7 100644
--- a/pylinac/core/image.py
+++ b/pylinac/core/image.py
@@ -807,16 +807,7 @@ def _get_axis_value(self, axis_str: str, axis_dcm_attr: str) -> float:
         float
         """
         axis_found = False
-
-        # try to interpret from DICOM data
-        if not axis_found:
-            try:
-                axis = float(getattr(self.metadata, axis_dcm_attr))
-                axis_found = True
-            except AttributeError:
-                axis = 0
-
-        if self._use_filenames and not axis_found:
+        if self._use_filenames:
             filename = osp.basename(self.path)
             # see if the keyword is in the filename
             keyword_in_filename = axis_str.lower() in filename.lower()