diff --git a/jedi/api/classes.py b/jedi/api/classes.py
index 03abca8d..a9ec284d 100644
--- a/jedi/api/classes.py
+++ b/jedi/api/classes.py
@@ -446,7 +446,7 @@ class BaseDefinition(object):
     def get_signatures(self):
         return [
             BaseSignature(self._inference_state, s)
-            for s in self._name.infer().get_signatures()
+            for s in self._get_signatures()
         ]
 
     def execute(self):
@@ -756,10 +756,3 @@ class ParamDefinition(Definition):
                 'Python 2 is end-of-life, the new feature is not available for it'
             )
         return self._name.get_kind()
-
-
-def _format_signatures(value):
-    return '\n'.join(
-        signature.to_string()
-        for signature in value.get_signatures()
-    )
diff --git a/jedi/inference/names.py b/jedi/inference/names.py
index a1d957fd..90eec99b 100644
--- a/jedi/inference/names.py
+++ b/jedi/inference/names.py
@@ -72,9 +72,6 @@ class AbstractNameDefinition(object):
     def is_import(self):
         return False
 
-    def get_signatures(self):
-        return []
-
     def py__doc__(self):
         return ''
 
@@ -219,9 +216,6 @@ class ValueNameMixin(object):
     def py__doc__(self):
         return self._value.py__doc__()
 
-    def get_signatures(self):
-        return self._value.get_signatures()
-
     def _get_qualified_names(self):
         return self._value.get_qualified_names()
 
@@ -325,9 +319,6 @@ class TreeNameDefinition(AbstractTreeName):
             return find_statement_documentation(self.tree_name.get_definition())
         return ''
 
-    def get_signatures(self):
-        return self.infer().get_signatures()
-
 
 class _ParamMixin(object):
     def maybe_positional_argument(self, include_star=True):
@@ -579,9 +570,6 @@ class ImportName(AbstractNameDefinition):
     def py__doc__(self):
         return _merge_name_docs(self.goto())
 
-    def get_signatures(self):
-        return [sig for name in self.goto() for sig in name.get_signatures()]
-
 
 class SubModuleName(ImportName):
     _level = 1
@@ -616,13 +604,6 @@ class StubNameMixin(object):
             # from the implementation.
             return _merge_name_docs(names)
 
-    def get_signatures(self):
-        if self.tree_name is not None:
-            parent = self.tree_name.parent
-            if parent.type in ('funcdef', 'classdef') and parent.name is self.tree_name:
-                return self.infer().get_signatures()
-        return []
-
 
 # From here on down we make looking up the sys.version_info fast.
 class StubName(StubNameMixin, TreeNameDefinition):