1 files changed, 6 insertions, 0 deletions
diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index 41446946a5e..1a2292b4a20 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -376,6 +376,10 @@ module Ci
       trace.exist?
     end
 
+    def has_old_trace?
+      old_trace.present?
+    end
+
     def trace=(data)
       raise NotImplementedError
     end
@@ -385,6 +389,8 @@ module Ci
     end
 
     def erase_old_trace!
+      raise Gitlab::Ci::Trace::EraseError, 'Old trace does not exist' unless has_old_trace?
+
       update_column(:trace, nil)
     end