diff --git a/python/requirements.txt b/python/requirements.txt
index 93c969b..3e094aa 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,4 +1,2 @@
 confini>=0.3.6rc3,<0.5.0
-crypto-dev-signer>=0.4.15rc2,<=0.4.15
 chainlib-eth>=0.0.9a13,<=0.1.0
-eth_erc20>=0.1.2a3,<=0.2.0
diff --git a/python/test_requirements.txt b/python/test_requirements.txt
index ec0c958..c1b90da 100644
--- a/python/test_requirements.txt
+++ b/python/test_requirements.txt
@@ -1,3 +1,4 @@
 eth-tester==0.5.0b3
 py-evm==0.3.0a20
 eth-accounts-index>=0.1.2a3,<0.2.0
+eth_erc20>=0.1.2a3,<=0.2.0