diff --git a/lib/yaml/constructor.py b/lib/yaml/constructor.py
index 1cbd7e2b..9f18a6b1 100644
--- a/lib/yaml/constructor.py
+++ b/lib/yaml/constructor.py
@@ -39,35 +39,6 @@ def __init__(self):
         self.state_generators = []
         self.deep_construct = False
 
-    def load(self, stream):
-        self._init_loader(stream)
-
-        try:
-            return self.get_single_data()
-        finally:
-            self.dispose()
-            self.stream = None
-
-    def load_all(self, stream):
-        assert False, 'XXX Not working yet'
-
-        self._init_loader(stream)
-
-        try:
-            while self.check_data():
-                yield self.get_data()
-        finally:
-            self.dispose()
-
-    def _init_loader(self, stream):
-        if hasattr(self, 'stream') and self.stream is None:
-            if stream is None:
-                raise TypeError("load() requires stream=...")
-            Reader.__init__(self, stream)
-            Scanner.__init__(self)
-            Parser.__init__(self)
-            Composer.__init__(self)
-
     def check_data(self):
         # If there are more documents available?
         return self.check_node()
diff --git a/lib/yaml/loader.py b/lib/yaml/loader.py
index 2bdeca40..494e4d87 100644
--- a/lib/yaml/loader.py
+++ b/lib/yaml/loader.py
@@ -18,7 +18,36 @@ def __init__(self, stream=None):
         BaseConstructor.__init__(self)
         BaseResolver.__init__(self)
 
-class FullLoader(Reader, Scanner, Parser, Composer, FullConstructor, Resolver):
+    def load(self, stream):
+        self._init_loader(stream)
+
+        try:
+            return self.get_single_data()
+        finally:
+            self.dispose()
+            self.stream = None
+
+    def load_all(self, stream):
+        assert False, 'XXX Not working yet'
+
+        self._init_loader(stream)
+
+        try:
+            while self.check_data():
+                yield self.get_data()
+        finally:
+            self.dispose()
+
+    def _init_loader(self, stream):
+        if hasattr(self, 'stream') and self.stream is None:
+            if stream is None:
+                raise TypeError("load() requires stream=...")
+            Reader.__init__(self, stream)
+            Scanner.__init__(self)
+            Parser.__init__(self)
+            Composer.__init__(self)
+
+class FullLoader(BaseLoader, Reader, Scanner, Parser, Composer, FullConstructor, Resolver):
 
     def __init__(self, stream=None):
         Reader.__init__(self, stream)
@@ -28,7 +57,7 @@ def __init__(self, stream=None):
         FullConstructor.__init__(self)
         Resolver.__init__(self)
 
-class SafeLoader(Reader, Scanner, Parser, Composer, SafeConstructor, Resolver):
+class SafeLoader(BaseLoader, Reader, Scanner, Parser, Composer, SafeConstructor, Resolver):
 
     def __init__(self, stream=None):
         Reader.__init__(self, stream)
@@ -38,7 +67,7 @@ def __init__(self, stream=None):
         SafeConstructor.__init__(self)
         Resolver.__init__(self)
 
-class Loader(Reader, Scanner, Parser, Composer, Constructor, Resolver):
+class Loader(BaseLoader, Reader, Scanner, Parser, Composer, Constructor, Resolver):
 
     def __init__(self, stream=None):
         Reader.__init__(self, stream)
@@ -52,7 +81,7 @@ def __init__(self, stream=None):
 # untrusted input). Use of either Loader or UnsafeLoader should be rare, since
 # FullLoad should be able to load almost all YAML safely. Loader is left intact
 # to ensure backwards compatibility.
-class UnsafeLoader(Reader, Scanner, Parser, Composer, Constructor, Resolver):
+class UnsafeLoader(BaseLoader, Reader, Scanner, Parser, Composer, Constructor, Resolver):
 
     def __init__(self, stream=None):
         Reader.__init__(self, stream)