diff --git a/lib/scalingo/api/client.rb b/lib/scalingo/api/client.rb
index a7ba304..e2df212 100644
--- a/lib/scalingo/api/client.rb
+++ b/lib/scalingo/api/client.rb
@@ -47,9 +47,7 @@ def self.register_handler!(method_name, klass)
       def inspect
         str = %(<#{self.class}:0x#{object_id.to_s(16)} url:"#{@url}" methods:)
 
-        methods = self.class.instance_methods - Scalingo::API::Client.instance_methods
-        str << methods.to_s
-
+        str << self.class.instance_methods(false).to_s
         str << ">"
         str
       end
diff --git a/lib/scalingo/api/endpoint.rb b/lib/scalingo/api/endpoint.rb
index 5698a23..f0d5824 100644
--- a/lib/scalingo/api/endpoint.rb
+++ b/lib/scalingo/api/endpoint.rb
@@ -16,9 +16,7 @@ def initialize(client)
       def inspect
         str = %(<#{self.class}:0x#{object_id.to_s(16)} base_url:"#{@client.url}" endpoints:)
 
-        methods = self.class.instance_methods - Scalingo::API::Endpoint.instance_methods
-
-        str << methods.to_s
+        str << self.class.instance_methods(false).to_s
         str << ">"
         str
       end