diff --git a/cython/README.md b/cython/README.md
index 8d127553e..53c04d1e4 100644
--- a/cython/README.md
+++ b/cython/README.md
@@ -7,7 +7,8 @@ as follows:
 
 ```bash
  cd <gtsam_folder>/cython
- pip install -r requirements.txt
+ pip install numpy>=1.11.1
+ pip install Cython>=0.25.1
  pip install eigency
 ```
 
diff --git a/cython/requirements.txt b/cython/requirements.txt
deleted file mode 100644
index 38ff800c3..000000000
--- a/cython/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-Cython==0.25.1
-numpy==1.11.1