diff --git a/tests/venv/binder-dir/binder/postBuild b/tests/venv/binder-dir/binder/postBuild
index bfab97d3..9aae1e33 100755
--- a/tests/venv/binder-dir/binder/postBuild
+++ b/tests/venv/binder-dir/binder/postBuild
@@ -1,3 +1,2 @@
 #!/bin/bash
-# FIXME: This doesn't work with ipyleaflet >= 0.19
-jupyter nbextension enable --py --sys-prefix ipyleaflet
+date
diff --git a/tests/venv/binder-dir/binder/requirements.txt b/tests/venv/binder-dir/binder/requirements.txt
index 42935ee7..5a2f5096 100644
--- a/tests/venv/binder-dir/binder/requirements.txt
+++ b/tests/venv/binder-dir/binder/requirements.txt
@@ -1 +1 @@
-ipyleaflet==0.18.2
+ipyleaflet
diff --git a/tests/venv/start/postBuild/postBuild b/tests/venv/start/postBuild/postBuild
index da239e4e..ccd2f8e3 100755
--- a/tests/venv/start/postBuild/postBuild
+++ b/tests/venv/start/postBuild/postBuild
@@ -2,6 +2,3 @@
 
 # this value should not be visible in `verify`
 export TEST_START_VAR="var is set by postBuild"
-
-# FIXME: This doesn't work with ipyleaflet >= 0.19
-jupyter nbextension enable --py --sys-prefix ipyleaflet
diff --git a/tests/venv/start/postBuild/requirements.txt b/tests/venv/start/postBuild/requirements.txt
index 42935ee7..5a2f5096 100644
--- a/tests/venv/start/postBuild/requirements.txt
+++ b/tests/venv/start/postBuild/requirements.txt
@@ -1 +1 @@
-ipyleaflet==0.18.2
+ipyleaflet