diff --git a/conftest.py b/conftest.py
index c10b503d73..2773682a9e 100644
--- a/conftest.py
+++ b/conftest.py
@@ -29,7 +29,7 @@ def pytest_configure(config):
     PYTEST_HEADER_MODULES['ipysplitpanes'] = 'ipysplitpanes'
     PYTEST_HEADER_MODULES['ipygoldenlayout'] = 'ipygoldenlayout'
     PYTEST_HEADER_MODULES['ipypopout'] = 'ipypopout'
-    PYTEST_HEADER_MODULES['voila'] = 'voila'
+    PYTEST_HEADER_MODULES['solara'] = 'solara'
     PYTEST_HEADER_MODULES['vispy'] = 'vispy'
     PYTEST_HEADER_MODULES['gwcs'] = 'gwcs'
     PYTEST_HEADER_MODULES['asdf'] = 'asdf'
diff --git a/jdaviz/conftest.py b/jdaviz/conftest.py
index fb8b1b9a68..84bbf2871e 100644
--- a/jdaviz/conftest.py
+++ b/jdaviz/conftest.py
@@ -402,7 +402,7 @@ def pytest_configure(config):
     PYTEST_HEADER_MODULES['ipysplitpanes'] = 'ipysplitpanes'
     PYTEST_HEADER_MODULES['ipygoldenlayout'] = 'ipygoldenlayout'
     PYTEST_HEADER_MODULES['ipypopout'] = 'ipypopout'
-    PYTEST_HEADER_MODULES['voila'] = 'voila'
+    PYTEST_HEADER_MODULES['solara'] = 'solara'
     PYTEST_HEADER_MODULES['vispy'] = 'vispy'
     PYTEST_HEADER_MODULES['gwcs'] = 'gwcs'
     PYTEST_HEADER_MODULES['asdf'] = 'asdf'
diff --git a/jdaviz/core/launcher.py b/jdaviz/core/launcher.py
index 5fa77a49ec..5d59c380d2 100644
--- a/jdaviz/core/launcher.py
+++ b/jdaviz/core/launcher.py
@@ -132,8 +132,7 @@ def __init__(self, main=None, configs=ALL_JDAVIZ_CONFIGS, filepath='',
             main = v.Sheet(class_="mx-25",
                            attributes={"id": "popout-widget-container"},
                            color="#00212C",
-                           height=height,
-                           _metadata={'mount_id': 'content'})
+                           height=height)
 
         self.main = main
         self.configs = configs
diff --git a/share/jupyter/voila/templates/jdaviz-default/index.html.j2 b/share/jupyter/voila/templates/jdaviz-default/index.html.j2
deleted file mode 100644
index 9dd28b78da..0000000000
--- a/share/jupyter/voila/templates/jdaviz-default/index.html.j2
+++ /dev/null
@@ -1,52 +0,0 @@
-{%- extends 'nbconvert/templates/jdaviz-default/index.html.j2' -%}
-{% block notebook_execute %}
-
-{%- set kernel_id = kernel_start(nb) -%}
-    <script id="jupyter-config-data" type="application/json">
-        {
-            "baseUrl": "{{resources.base_url}}",
-            "kernelId": "{{kernel_id}}"
-        }
-    </script>
-{% endblock notebook_execute %}
-
-{% block cell_generator %}
-    <script>
-        app.title = "{{nb_title}}"
-
-        var voila_process = function(cell_index, cell_count) {
-            const loading_text = `Executing cell ${cell_index} of ${cell_count}`
-            console.log(loading_text)
-            app.loading_text = loading_text
-            app.loadingPercentage = cell_index / cell_count * 100
-        }
-        var voila_heartbeat = function() {
-            console.log('Ok, voila is still executing...')
-        }
-    </script>
-    {% for cell in cell_generator(nb, kernel_id) %}
-        <script>
-            voila_process({{ loop.index }}, {{ cell_count }});
-        </script>
-
-        {% if cell.cell_type == 'code' %}
-            {% for output in cell.outputs %}
-                {% if output.output_type == 'error' %}
-                    <script>
-                        if (!window['voilaDebugMessages']) {
-                            window.voilaDebugMessages = [];
-                        }
-                        window.voilaDebugMessages.push({
-                            cell: {{ cell.execution_count }},
-                            traceback: [
-                                {% for line in output.traceback  %}
-                                    `{{ line | ansi2html }}`,
-                                {% endfor %}
-                            ]
-                        })
-                    </script>
-                {% endif %}
-            {% endfor %}
-        {% endif %}
-    {% endfor %}
-{% endblock cell_generator %}