_casbaseddirectory: rm unused exception classes

1 files changed, 0 insertions, 29 deletions

diff --git a/src/buildstream/storage/_casbaseddirectory.py b/src/buildstream/storage/_casbaseddirectory.py
index a93f16d90..0d43e3bc5 100644
--- a/src/buildstream/storage/_casbaseddirectory.py
+++ b/src/buildstream/storage/_casbaseddirectory.py
@@ -62,35 +62,6 @@ class IndexEntry():
             return self.buildstream_object._get_digest()
 
 
-class ResolutionException(VirtualDirectoryError):
-    """ Superclass of all exceptions that can be raised by
-    CasBasedDirectory._resolve. Should not be used outside this module. """
-
-
-class InfiniteSymlinkException(ResolutionException):
-    """ Raised when an infinite symlink loop is found. """
-
-
-class AbsoluteSymlinkException(ResolutionException):
-    """Raised if we try to follow an absolute symlink (i.e. one whose
-    target starts with the path separator) and we have disallowed
-    following such symlinks.
-    """
-
-
-class UnexpectedFileException(ResolutionException):
-    """Raised if we were found a file where a directory or symlink was
-    expected, for example we try to resolve a symlink pointing to
-    /a/b/c but /a/b is a file.
-    """
-    def __init__(self, message=""):
-        """Allow constructor with no arguments, since this can be raised in
-        places where there isn't sufficient information to write the
-        message.
-        """
-        super().__init__(message)
-
-
 # CasBasedDirectory intentionally doesn't call its superclass constuctor,
 # which is meant to be unimplemented.
 # pylint: disable=super-init-not-called