diff --git a/dap/algos/streakfind.py b/dap/algos/streakfind.py
index 1b72053..d7a0e6f 100644
--- a/dap/algos/streakfind.py
+++ b/dap/algos/streakfind.py
@@ -50,6 +50,7 @@ def calc_streakfinder_analysis(results, data, pf_pixel_mask):
         _calc_streakfinder_analysis(results, cryst_data)
     except Exception as error:  # Broad exception - we don't want to break anything here
         results["cbd_error"] = f"Error processing CBD data:\n{error}"
+    del cryst_data
 
     return data