diff --git a/ersilia/app/__init__.py b/ersilia/app/__init__.py
index 4da67d50..e69de29b 100644
--- a/ersilia/app/__init__.py
+++ b/ersilia/app/__init__.py
@@ -1 +0,0 @@
-from .blocks.streamlit import StreamlitBlocks
diff --git a/ersilia/app/app.py b/ersilia/app/app.py
deleted file mode 100644
index 93873313..00000000
--- a/ersilia/app/app.py
+++ /dev/null
@@ -1,82 +0,0 @@
-import os
-from ..utils.terminal import run_command
-from .. import ErsiliaBase
-
-
-class AppBase(ErsiliaBase):
-    def __init__(self, config_json=None):
-        ErsiliaBase.__init__(self, config_json=config_json)
-        self.cards = None
-        self.APP_SCRIPT = self.cfg.HUB.APP_SCRIPT
-
-    def _load_model_cards(self):
-        if self.cards is None:
-            from ..hub.card import ModelCard
-
-            self.cards = ModelCard()
-
-    def _is_swagger(self, model_id):
-        filename = self.app_script(model_id)
-        if not os.path.exists(filename):
-            return True
-        else:
-            return False
-
-    def _is_streamlit(self, model_id):
-        filename = self.app_script(model_id)
-        with open(filename, "r") as f:
-            text = f.read()
-        if "import streamlit" in text:
-            return True
-        else:
-            return False
-
-    def _is_dash(self, model_id):
-        filename = self.app_script(model_id)
-        with open(filename, "r") as f:
-            text = f.read()
-        if "import dash" in text:
-            return True
-        else:
-            return False
-
-    def app_script(self, model_id):
-        filename = os.path.join(self._dest_dir, model_id, self.APP_SCRIPT)
-        return filename
-
-    def get_model_card(self, model_id):
-        self._load_model_cards()
-        return self.cards.get(model_id)
-
-
-class StreamlitApp(AppBase):
-    def __init__(self, config_json=None):
-        AppBase.__init__(self, config_json=config_json)
-
-    def run(self, model_id):
-        if not self._is_streamlit(model_id):
-            return 0
-        filename = os.path.join(self._dest_dir, model_id, self.APP_SCRIPT)
-        if os.path.exists(filename):
-            run_command("streamlit run %s" % filename)
-            return 1
-        else:
-            return 0
-
-
-class DashApp(AppBase):
-    def __init__(self, config_json=None):
-        AppBase.__init__(self, config_json=config_json)
-
-    def run(self):
-        if not self._is_dash(model_id):
-            return 0
-        pass  # TODO
-
-
-class SwaggerApp(AppBase):
-    def __init__(self, config_json=None):
-        AppBase.__init__(self, config_json=config_json)
-
-    def run(self, model_id):
-        pass  # TODO
diff --git a/ersilia/app/blocks/__init__.py b/ersilia/app/blocks/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/ersilia/app/blocks/streamlit.py b/ersilia/app/blocks/streamlit.py
deleted file mode 100644
index 66a67864..00000000
--- a/ersilia/app/blocks/streamlit.py
+++ /dev/null
@@ -1,45 +0,0 @@
-import streamlit as st
-from ..app import AppBase
-
-
-class StreamlitBlocks(AppBase):
-    def __init__(self, model_id, config_json=None):
-        AppBase.__init__(self, config_json=config_json)
-        self.card = self.get_model_card(model_id)
-        self.model_id = model_id
-
-    def load_model(self):
-        pass
-
-    def header(self):
-        st.title(self.card.title)
-        st.markdown("`MODEL ID: %s`" % self.model_id)
-        st.markdown(
-            self.card.description
-            + " "
-            + "To know more, please visit [Ersilia Model Hub](%s/%s)."
-            % (self.cfg.HUB.WEB, self.model_id)
-        )
-
-    @staticmethod
-    def molecule_input():
-        st.subheader("Input molecule")
-        inp = st.text_input(
-            "Please enter a molecule (name, SMILES...)",
-            value="",
-            max_chars=None,
-            key=None,
-            type="default",
-        )
-        return inp
-
-    @staticmethod
-    def protein_input():
-        inp = st.text_input(
-            "Please enter a protein (sequence, UniProtAC...)",
-            value="",
-            max_chars=None,
-            key=None,
-            type="default",
-        )
-        return inp
diff --git a/ersilia/app/contrib/app1.py b/ersilia/app/contrib/app1.py
deleted file mode 100644
index 7c58e977..00000000
--- a/ersilia/app/contrib/app1.py
+++ /dev/null
@@ -1,6 +0,0 @@
-import streamlit as st
-
-
-def app():
-    st.title("")
-    st.write("About")
diff --git a/ersilia/app/contrib/app2.py b/ersilia/app/contrib/app2.py
deleted file mode 100644
index df9e168b..00000000
--- a/ersilia/app/contrib/app2.py
+++ /dev/null
@@ -1,61 +0,0 @@
-import streamlit as st
-from ersilia import ErsiliaModel
-import json
-
-from rdkit import Chem
-from rdkit.Chem.Draw import IPythonConsole
-from rdkit.Chem import Draw
-
-import streamlit as st
-from ersilia.hub.content.catalog import ModelCatalog
-
-
-def show_output(obj):
-    obj = list(obj)
-    d = dict(obj[0])
-    d = d["output"]
-    pair = next(iter((d.items())))
-    st.write(pair[0], " : ", "%.3f" % (float(pair[1])))
-
-
-mc = ModelCatalog()
-local_catalog = str(mc.local()).split("\n")[2:]
-models_local = tuple([i.split()[1] for i in local_catalog])
-
-
-def app():
-    st.header("Ersilia Model Hub")
-    st.subheader("Calculate and Predict properties for your molecules of interest")
-
-    option = st.selectbox("Which model would you like to run?", models_local)
-    model = ErsiliaModel(option)
-    model.serve()
-
-    compound_smiles = st.text_input("Enter the chemical structure", "")
-    m = Chem.MolFromSmiles(compound_smiles)
-    im = Draw.MolToImage(m, size=(200, 200))
-    st.image(im)
-
-    apis = tuple(model.get_apis())
-
-    # if only one api available, no need to create radio buttons
-    if len(apis) == 1:
-        opt = apis[0]
-        if opt == "predict":
-            if st.button("Predict"):
-                output_obj = model.predict(compound_smiles)
-                show_output(output_obj)
-        elif opt == "calculate":
-            if st.button("Calculate"):
-                output_obj = model.calculate(compound_smiles)
-                show_output(output_obj)
-
-    # if model supports more than one api, create radio buttons
-    else:
-        opt = st.radio("Select API", apis)
-        if opt == "predict":
-            output_obj = model.predict(compound_smiles)
-            show_output(output_obj)
-        elif opt == "calculate":
-            output_obj = model.calculate(compound_smiles)
-            show_output(output_obj)
diff --git a/ersilia/app/contrib/app3.py b/ersilia/app/contrib/app3.py
deleted file mode 100644
index 0d5a0d42..00000000
--- a/ersilia/app/contrib/app3.py
+++ /dev/null
@@ -1,8 +0,0 @@
-import streamlit as st
-
-
-def app():
-    st.title("Catalog")
-    st.header("Local")
-
-    st.header("Ersilia Hub")
diff --git a/ersilia/app/contrib/ersilia-app.py b/ersilia/app/contrib/ersilia-app.py
deleted file mode 100644
index 9aa5c0c2..00000000
--- a/ersilia/app/contrib/ersilia-app.py
+++ /dev/null
@@ -1,10 +0,0 @@
-import app1
-import app2
-import app3
-import streamlit as st
-
-PAGES = {"About": app1, "API": app2, "Catalog": app3}
-st.sidebar.title("Navigation")
-selection = st.sidebar.radio("Go to", list(PAGES.keys()))
-page = PAGES[selection]
-page.app()