diff --git a/edvart/report_sections/timeseries_analysis/time_series_line_plot.py b/edvart/report_sections/timeseries_analysis/time_series_line_plot.py
index 8d9eb24..4752b11 100644
--- a/edvart/report_sections/timeseries_analysis/time_series_line_plot.py
+++ b/edvart/report_sections/timeseries_analysis/time_series_line_plot.py
@@ -1,6 +1,5 @@
 """Time series line plot package."""
 
-import warnings
 from typing import Any, Dict, List, Optional
 
 import nbformat.v4 as nbfv4
@@ -116,8 +115,6 @@ def _time_series_line_plot_colored(df, columns=None, color_col=None):
         layout = dict(xaxis_rangeslider_visible=True)
         if not is_categorical(df[color_col]):
             raise ValueError(f"Cannot color by non-categorical column `{color_col}`")
-        if df[color_col].nunique() > 20:
-            warnings.warn("Coloring by categorical column with many unique values!")
         df_color_shifted = df[color_col].shift(-1)
         for col in columns:
             data = [