diff --git a/lib/ansible/playbook/role/__init__.py b/lib/ansible/playbook/role/__init__.py
index ab79c55765b..79057de020b 100644
--- a/lib/ansible/playbook/role/__init__.py
+++ b/lib/ansible/playbook/role/__init__.py
@@ -496,7 +496,9 @@ class Role(Base, Conditional, Taggable, CollectionSearch, Delegatable):
         dep_chain = [] if dep_chain is None else dep_chain
 
         default_vars = dict()
-        for dep in self.get_all_dependencies():
+        # FIXME combining deps' default_vars can be optimized by moving it
+        #       into _load_role_data so it is done just once
+        for dep in self._dependencies:
             default_vars = combine_vars(default_vars, dep.get_default_vars())
         if dep_chain:
             for parent in dep_chain:
@@ -536,13 +538,15 @@ class Role(Base, Conditional, Taggable, CollectionSearch, Delegatable):
         all_vars = self.get_inherited_vars(dep_chain, only_exports=only_exports)
 
         # get exported variables from meta/dependencies
+        # FIXME combining deps' role_vars can be optimized by moving it
+        #       into _load_role_data so it is done just once
         seen = []
         for dep in self.get_all_dependencies():
             # Avoid rerunning dupe deps since they can have vars from previous invocations and they accumulate in deps
             # TODO: re-examine dep loading to see if we are somehow improperly adding the same dep too many times
             if dep not in seen:
                 # only take 'exportable' vars from deps
-                all_vars = combine_vars(all_vars, dep.get_vars(include_params=False, only_exports=True))
+                all_vars = combine_vars(all_vars, dep._role_vars)
                 seen.append(dep)
 
         # role_vars come from vars/ in a role