diff --git a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab_react_diff_view.tsx b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab_react_diff_view.tsx
index cff29e75c5389..539d2da6ceb51 100644
--- a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab_react_diff_view.tsx
+++ b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab_react_diff_view.tsx
@@ -321,12 +321,12 @@ const CustomStyles = ({ children }: CustomStylesProps) => {
 
     .${CODE_CLASS_NAME}.diff-code-delete .diff-code-edit,
     .${CODE_CLASS_NAME}.diff-code-insert .diff-code-edit {
-      text-decoration: line-through;
       background: transparent;
     }
 
     .${CODE_CLASS_NAME}.diff-code-delete .diff-code-edit {
       color: ${euiTheme.colors.dangerText};
+      text-decoration: line-through;
     }
 
     .${CODE_CLASS_NAME}.diff-code-insert .diff-code-edit {