diff --git a/imaging.yaml.lock b/imaging.yaml.lock
index da647ed8..8d312ff9 100644
--- a/imaging.yaml.lock
+++ b/imaging.yaml.lock
@@ -29,8 +29,6 @@ tools:
 - name: color_deconvolution
   owner: imgteam
   revisions:
-  - 0976b373a321
-  - 612aa1478fe1
   - 8aa6e767f737
   tool_panel_section_label: Imaging
 - name: 2d_histogram_equalization