diff --git a/docs/conf.py b/docs/conf.py
index a2284016a..f688887ea 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -76,4 +76,7 @@
 # nbsphinx_execute = os.getenv('QISKIT_DOCS_BUILD_TUTORIALS', 'never')
 nbsphinx_execute = 'always'
 nbsphinx_widgets_path = ''
-exclude_patterns = ['_build', '**.ipynb_checkpoints']
\ No newline at end of file
+exclude_patterns = ['_build', '**.ipynb_checkpoints']
+
+import warnings
+warnings.filterwarnings("error")
\ No newline at end of file
diff --git a/docs/userguide/perturbative_solvers.rst b/docs/userguide/perturbative_solvers.rst
index 0f773fb6a..10d5ef489 100644
--- a/docs/userguide/perturbative_solvers.rst
+++ b/docs/userguide/perturbative_solvers.rst
@@ -75,9 +75,6 @@ on the perturbative solver speed.
 
 .. jupyter-execute::
 
-    import warnings
-    warnings.filterwarnings("error")
-
     import numpy as np
 
     dim = 10  # Oscillator dimension