diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index 6a98798bf4af5e6db70fbc1b972d7d58c1697b3f..aeb887869cfd131e86d389e1e16bc6c11d84634f 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -433,6 +433,7 @@ function assert_api_spec_approvals() {
     fi
 
     API_FILES=("paddle/fluid/API.spec"
+               "python/paddle/fluid/parallel_executor.py"
                "paddle/fluid/framework/operator.h"
                "paddle/fluid/framework/tensor.h"
                "paddle/fluid/framework/lod_tensor.h"
diff --git a/python/paddle/fluid/transpiler/inference_transpiler.py b/python/paddle/fluid/transpiler/inference_transpiler.py
index fea10d7c3b3bd335642c2b838319f6f50c55e265..8a527e72fb9ac806254d2c055fc283c938cc55b4 100644
--- a/python/paddle/fluid/transpiler/inference_transpiler.py
+++ b/python/paddle/fluid/transpiler/inference_transpiler.py
@@ -51,7 +51,9 @@ class InferenceTranspiler(object):
             place (Place): inference place
             scope (Scope|None): inference Scope
         '''
-        sys.stderr.write('InferenceTranspiler is deprecated.\n')
+        sys.stderr.write("InferenceTranspiler is deprecated since it's not "
+                         "safe. Users should be "
+                         "responsible for constructing the inference program\n")
         if not isinstance(program, Program):
             raise TypeError("program should be as Program type")
         if not isinstance(place, core.CPUPlace) and not isinstance(
diff --git a/python/paddle/fluid/transpiler/memory_optimization_transpiler.py b/python/paddle/fluid/transpiler/memory_optimization_transpiler.py
index f3c7b3d63b6e28545a77d2311916d778cdc38e65..c434423bae76c2ebdd7bdeb164350d6ec66621c8 100755
--- a/python/paddle/fluid/transpiler/memory_optimization_transpiler.py
+++ b/python/paddle/fluid/transpiler/memory_optimization_transpiler.py
@@ -510,7 +510,8 @@ def memory_optimize(input_program,
     Returns:
         None
     """
-    sys.stderr.write('memory_optimize is deprecated.\n')
+    sys.stderr.write('memory_optimize is deprecated. '
+                     'Use CompiledProgram and Executor\n')
 
     def to_name_str(var):
         if isinstance(var, Variable):