diff --git a/src/build/project.jam b/src/build/project.jam
index 929f5bacd..48a61d1a3 100644
--- a/src/build/project.jam
+++ b/src/build/project.jam
@@ -117,24 +117,6 @@ rule load-parent ( location )
 # 'location'. Reports an error if a Jamfile has already been loaded for that
 # location.
 #
-rule act-as-jamfile ( module : location )
-{
-    if [ module-name $(location) ] in $(.jamfile-modules)
-    {
-        import errors ;
-        errors.error "Jamfile was already loaded for '$(location)'" ;
-    }
-    # Set up non-default mapping from location to module.
-    .module.$(location) = $(module) ;
-
-    # Add the location to the list of project locations so that we do not try to
-    # reload the same Jamfile in the future.
-    .jamfile-modules += [ module-name $(location) ] ;
-
-    initialize $(module) : $(location) ;
-}
-
-
 # Returns the project module corresponding to the given project-id or plain
 # directory name. Returns nothing if such a project can not be found.
 #
diff --git a/src/build/project.py b/src/build/project.py
index 7aa483fde..eca39affe 100644
--- a/src/build/project.py
+++ b/src/build/project.py
@@ -179,24 +179,6 @@ class ProjectRegistry:
 
         return self.load(os.path.dirname(found[0]))
 
-    def act_as_jamfile(self, module, location):
-        """Makes the specified 'module' act as if it were a regularly loaded Jamfile
-        at 'location'. If Jamfile is already located for that location, it's an
-        error."""
-
-        if self.module_name(location) in self.jamfile_modules:
-            self.manager.errors()(
-                "Jamfile was already loaded for '%s'" % location)
-
-        # Set up non-default mapping from location to module.
-        self.location2module[location] = module
-
-        # Add the location to the list of project locations so that we do not
-        # try to reload the same Jamfile in the future.
-        self.jamfile_modules.append(location)
-
-        self.initialize(module, location)
-
     def find(self, name, current_location):
         """Given 'name' which can be project-id or plain directory name,
         return project module corresponding to that id or directory.