diff --git a/meta/lib/oeqa/selftest/cases/oelib/buildhistory.py b/meta/lib/oeqa/selftest/cases/oelib/buildhistory.py
index 042ccdd2b48..dbc8f9346fa 100644
--- a/meta/lib/oeqa/selftest/cases/oelib/buildhistory.py
+++ b/meta/lib/oeqa/selftest/cases/oelib/buildhistory.py
@@ -45,7 +45,7 @@ class TestBlobParsing(OESelftestTestCase):
             return
 
         for k in to_remove:
-            self.var_map.pop(x,None)
+            self.var_map.pop(k, None)
         for k in to_add:
             self.var_map[k] = to_add[k]