diff --git a/.github/workflows/run_test_main.yml b/.github/workflows/run_test_main.yml
index da56081f..bcd31dde 100644
--- a/.github/workflows/run_test_main.yml
+++ b/.github/workflows/run_test_main.yml
@@ -15,12 +15,7 @@ jobs:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9]
         os: [ubuntu-latest, macos-latest]
-        extras: [noextras, pytorch, foolbox, cleverhans]
-        exclude:
-          - python-version: 3.8
-            extras : cleverhans
-          - python-version: 3.9
-            extras : cleverhans
+        extras: [noextras, pytorch, foolbox]
 
 
     steps:
diff --git a/.github/workflows/run_test_on_demand.yml b/.github/workflows/run_test_on_demand.yml
index 0ee360a4..ea7f4e0c 100644
--- a/.github/workflows/run_test_on_demand.yml
+++ b/.github/workflows/run_test_on_demand.yml
@@ -15,12 +15,7 @@ jobs:
       matrix:
         python-version: [3.6, 3.7, 3.8]
         os: [ubuntu-latest, macos-latest]
-        extras: [noextras, pytorch, foolbox, cleverhans]
-        exclude:
-          - python-version: 3.8
-            extras : cleverhans
-          - python-version: 3.9
-            extras : cleverhans
+        extras: [noextras, pytorch, foolbox]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/tox.ini b/tox.ini
index a09d57b5..50b126c2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -30,7 +30,6 @@ deps =
     {min}-!nofoolbox: torch~=1.4.0
     {min}-!nofoolbox: foolbox~=3.3.0
     !{min,tf114}: tensorflow~=1.14.0
-    !{min,clh}: cleverhans<3.1
     !py38-gpu
 commands_pre =
     python -V