diff --git a/jedi/evaluate/dynamic.py b/jedi/evaluate/dynamic.py
index 7c1887d9..28544539 100644
--- a/jedi/evaluate/dynamic.py
+++ b/jedi/evaluate/dynamic.py
@@ -71,6 +71,7 @@ def search_params(evaluator, parent_context, funcdef):
     if not settings.dynamic_params:
         return set()
 
+    raise NotImplementedError
     evaluator.dynamic_params_depth += 1
     try:
         debug.dbg('Dynamic param search in %s.', funcdef.name.value, color='MAGENTA')
diff --git a/jedi/evaluate/filters.py b/jedi/evaluate/filters.py
index 536457be..27da9379 100644
--- a/jedi/evaluate/filters.py
+++ b/jedi/evaluate/filters.py
@@ -80,7 +80,7 @@ class AnonymousInstanceParamName(ParamName):
         if self.tree_name.parent.position_nr == 0:
             # This is a speed optimization, to return the self param (because
             # it's known). This only affects anonymous instances.
-            return set([self.parent_context])
+            return set([self.parent_context.instance])
         else:
             return self._get_param().infer()
 
@@ -137,7 +137,7 @@ class ParserTreeFilter(AbstractUsedNamesFilter):
 
     def _filter(self, names):
         names = super(ParserTreeFilter, self)._filter(names)
-        names = [n for n in names if n.is_definition()]
+        names = [n for n in names if n.is_definition() and n.parent.type != 'trailer']
         names = [n for n in names if n.parent.get_parent_scope() == self._parser_scope]
 
         return list(self._check_flows(names))
diff --git a/jedi/evaluate/instance.py b/jedi/evaluate/instance.py
index 6e12c8b0..2464c6e6 100644
--- a/jedi/evaluate/instance.py
+++ b/jedi/evaluate/instance.py
@@ -172,8 +172,8 @@ class TreeInstance(AbstractInstanceContext):
                         self.var_args
                     )
                 else:
-                    return er.AnonymousFunctionExecution(
-                        self.evaluator,
+                    return AnonymousInstanceFunctionExecution(
+                        self,
                         class_context.parent_context,
                         scope,
                     )
diff --git a/jedi/evaluate/param.py b/jedi/evaluate/param.py
index 170f1c71..69cc3eee 100644
--- a/jedi/evaluate/param.py
+++ b/jedi/evaluate/param.py
@@ -118,7 +118,7 @@ class TreeArguments(AbstractArguments):
                 for values in list(zip_longest(*iterators)):
                     # TODO zip_longest yields None, that means this would raise
                     # an exception?
-                    yield None, context.get_merged_lazycontext(values)
+                    yield None, context.get_merged_lazy_context(values)
             elif stars == 2:
                 arrays = self._evaluator.eval_element(self.context, el)
                 for dct in arrays:
diff --git a/test/completion/classes.py b/test/completion/classes.py
index 6bbd9d6a..3ea9b2d1 100644
--- a/test/completion/classes.py
+++ b/test/completion/classes.py
@@ -50,6 +50,8 @@ class TestClass(object):
         self.var_local = 3
         #? ['var_class', 'var_func', 'var_inst', 'var_local']
         self.var_
+        #?
+        var_local
 
     def ret(self, a1):
         # should not know any class functions!