diff --git a/src/aiidalab_qe_vibroscopy/app/model.py b/src/aiidalab_qe_vibroscopy/app/model.py
index 46cb364..0df0759 100644
--- a/src/aiidalab_qe_vibroscopy/app/model.py
+++ b/src/aiidalab_qe_vibroscopy/app/model.py
@@ -6,6 +6,8 @@
 
 from aiida_phonopy.data.preprocess import PreProcessData
 from aiida.plugins import DataFactory
+import sys
+import os
 
 HubbardStructureData = DataFactory("quantumespresso.hubbard_structure")
 from aiida_vibroscopy.calculations.spectra_utils import get_supercells_for_hubbard
@@ -40,6 +42,24 @@
 """
 
 
+def disable_print(func):
+    def wrapper(*args, **kwargs):
+        # Save the current standard output
+        original_stdout = sys.stdout
+        # Redirect standard output to os.devnull
+        sys.stdout = open(os.devnull, "w")
+        try:
+            # Call the function
+            result = func(*args, **kwargs)
+        finally:
+            # Restore the original standard output
+            sys.stdout.close()
+            sys.stdout = original_stdout
+        return result
+
+    return wrapper
+
+
 class VibroConfigurationSettingsModel(ConfigurationSettingsModel, HasInputStructure):
     dependencies = [
         "input_structure",
@@ -163,6 +183,7 @@ def reset_symprec(self, _=None):
             "supercell_number_estimator"
         )
 
+    @disable_print
     def _estimate_supercells(self, _=None):
         if self.input_structure:
             self.supercell_number_estimator = spinner_html
diff --git a/src/aiidalab_qe_vibroscopy/app/settings.py b/src/aiidalab_qe_vibroscopy/app/settings.py
index ac8943a..e697437 100644
--- a/src/aiidalab_qe_vibroscopy/app/settings.py
+++ b/src/aiidalab_qe_vibroscopy/app/settings.py
@@ -12,59 +12,10 @@
 from aiidalab_qe.common.panel import ConfigurationSettingsPanel
 from aiidalab_qe_vibroscopy.app.model import VibroConfigurationSettingsModel
 
-import sys
-import os
-
 from aiida.plugins import DataFactory
 
 HubbardStructureData = DataFactory("quantumespresso.hubbard_structure")
 
-# spinner for waiting time (supercell estimations)
-spinner_html = """
-<style>
-@keyframes spin {
-  0% { transform: rotate(0deg); }
-  100% { transform: rotate(360deg); }
-}
-
-.spinner {
-  display: inline-block;
-  width: 15px;
-  height: 15px;
-}
-
-.spinner div {
-  width: 100%;
-  height: 100%;
-  border: 4px solid #f3f3f3;
-  border-top: 4px solid #3498db;
-  border-radius: 50%;
-  animation: spin 1s linear infinite;
-}
-</style>
-<div class="spinner">
-  <div></div>
-</div>
-"""
-
-
-def disable_print(func):
-    def wrapper(*args, **kwargs):
-        # Save the current standard output
-        original_stdout = sys.stdout
-        # Redirect standard output to os.devnull
-        sys.stdout = open(os.devnull, "w")
-        try:
-            # Call the function
-            result = func(*args, **kwargs)
-        finally:
-            # Restore the original standard output
-            sys.stdout.close()
-            sys.stdout = original_stdout
-        return result
-
-    return wrapper
-
 
 class VibroConfigurationSettingPanel(
     ConfigurationSettingsPanel[VibroConfigurationSettingsModel],