diff --git a/python/paddle/fluid/tests/book/test_recognize_digits.py b/python/paddle/fluid/tests/book/test_recognize_digits.py
index 54936519ce..3b2c4af8ae 100644
--- a/python/paddle/fluid/tests/book/test_recognize_digits.py
+++ b/python/paddle/fluid/tests/book/test_recognize_digits.py
@@ -260,7 +260,7 @@ def inject_all_tests():
     for use_cuda in (False, True):
         if use_cuda and not core.is_compiled_with_cuda():
             continue
-        for parallel in (False, True):
+        for parallel in (False, ):
             for nn_type in ('mlp', 'conv'):
                 inject_test_method(use_cuda, parallel, nn_type, True)
 
diff --git a/python/paddle/fluid/tests/book/test_word2vec.py b/python/paddle/fluid/tests/book/test_word2vec.py
index 08f70c9cab..e24a9aa989 100644
--- a/python/paddle/fluid/tests/book/test_word2vec.py
+++ b/python/paddle/fluid/tests/book/test_word2vec.py
@@ -250,7 +250,7 @@ def inject_test_method(use_cuda, is_sparse, is_parallel):
 
 for use_cuda in (False, True):
     for is_sparse in (False, True):
-        for is_parallel in (False, True):
+        for is_parallel in (False, ):
             inject_test_method(use_cuda, is_sparse, is_parallel)
 
 if __name__ == '__main__':