diff --git a/paddle/scripts/conda_build.py b/paddle/scripts/conda_build.py
index 648819c8cc3f6652ca48a95ba4fda0f3bbed8e80..0a0736f35a58dbcd2f47bd4c4c9849f7d146fbf4 100644
--- a/paddle/scripts/conda_build.py
+++ b/paddle/scripts/conda_build.py
@@ -42,7 +42,6 @@ requirements:
     - nltk
     - scipy
     - requests
-    - pyyaml
     - pillow
     - graphviz
     - protobuf
@@ -62,7 +61,6 @@ requirements:
     - nltk
     - scipy
     - requests
-    - pyyaml
     - pillow
     - graphviz
     - protobuf
@@ -89,13 +87,11 @@ about:
 pip install /package/objgraph-3.4.1.tar.gz
 pip install /package/prettytable-0.7.tar.gz
 pip install /package/rarfile-3.0.tar.gz --no-deps
-pip install /package/funcsigs-1.0.2.tar.gz
 """
 
         self.blt_const = r""" 
 pip install C:\package\objgraph-3.4.1.tar.gz
 pip install C:\package\prettytable-0.7.tar.gz
-pip install C:\package\funcsigs-1.0.2.tar.gz
 pip install C:\package\rarfile-3.0.tar.gz --no-deps
 git clone https://github.com/PaddlePaddle/recordio.git
 cd recordio\python
diff --git a/python/requirements.txt b/python/requirements.txt
index 5e81ec680897024e7c32d193bef1716e9b25b4a4..e278a1b824cc3829f1b67bc3a0cf643840990bb9 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -15,8 +15,6 @@ rarfile
 Pillow
 graphviz
 six
-funcsigs
-pyyaml
 decorator
 prettytable
 objgraph