diff --git a/stdlib/2.7/os/__init__.pyi b/stdlib/2.7/os/__init__.pyi
index cf548b237..4d8e01407 100644
--- a/stdlib/2.7/os/__init__.pyi
+++ b/stdlib/2.7/os/__init__.pyi
@@ -83,8 +83,8 @@ def isatty(fd: int) -> bool: ...
 
 def lseek(fd: int, pos: int, how: int) -> None: ...
 SEEK_SET = 0
-SEEK_CUR = 1
-SEEK_END = 2
+SEEK_CUR = 0
+SEEK_END = 0
 
 # TODO(prvak): maybe file should be unicode? (same with all other paths...)
 def open(file: unicode, flags: int, mode: int = ...) -> int: ...
@@ -257,11 +257,6 @@ O_DIRECTORY = 0  # Gnu extension if in C library
 O_NOFOLLOW = 0   # Gnu extension if in C library
 O_NOATIME = 0    # Gnu extension if in C library
 
-F_OK = 0
-R_OK = 0
-W_OK = 0
-X_OK = 0
-
 P_NOWAIT = 0
 P_NOWAITO = 0
 P_WAIT = 0
diff --git a/stdlib/2.7/unittest.pyi b/stdlib/2.7/unittest.pyi
index a914cec7a..9c9ba905f 100644
--- a/stdlib/2.7/unittest.pyi
+++ b/stdlib/2.7/unittest.pyi
@@ -27,7 +27,7 @@ class TestResult:
     errors = ... # type: List[Tuple[Testable, str]]
     failures = ... # type: List[Tuple[Testable, str]]
     testsRun = 0
-    shouldStop = False
+    shouldStop = ... # type: bool
 
     def wasSuccessful(self) -> bool: ...
     def stop(self) -> None: ...