diff --git a/env-nompi.yaml b/env-nompi.yaml
index d84e7201..3869bd18 100644
--- a/env-nompi.yaml
+++ b/env-nompi.yaml
@@ -12,4 +12,3 @@ dependencies:
     - h5flow>=0.1.0
     - adc64format>=0.1.1
     - git+https://github.com/cuddandr/pylandau.git
-    - dbscan1d
diff --git a/env.yaml b/env.yaml
index d84e7201..3869bd18 100644
--- a/env.yaml
+++ b/env.yaml
@@ -12,4 +12,3 @@ dependencies:
     - h5flow>=0.1.0
     - adc64format>=0.1.1
     - git+https://github.com/cuddandr/pylandau.git
-    - dbscan1d
diff --git a/setup.py b/setup.py
index 464614e6..9a7dca0c 100644
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,5 @@
                      'scikit-learn',
                      'h5flow>=0.2.0',
                      'pylandau @ git+https://github.com/cuddandr/pylandau.git#egg=pylandau',
-                     'dbscan1d',
                  ]
                  )