diff --git a/bitbake/lib/bb/cache.py b/bitbake/lib/bb/cache.py
index ff42a37b44..7ea04ac1a5 100644
--- a/bitbake/lib/bb/cache.py
+++ b/bitbake/lib/bb/cache.py
@@ -548,9 +548,7 @@ class CacheData(object):
     """
 
     def __init__(self):
-        """
-        Direct cache variables
-        """
+        # Direct cache variables
         self.providers = defaultdict(list)
         self.rproviders = defaultdict(list)
         self.packages = defaultdict(list)
@@ -575,10 +573,7 @@ class CacheData(object):
         self.basetaskhash = {}
         self.hashfn = {}
 
-        """
-        Indirect Cache variables
-        (set elsewhere)
-        """
+        # Indirect Cache variables (set elsewhere)
         self.ignored_dependencies = []
         self.world_target = set()
         self.bbfile_priority = {}