diff --git a/protzilla/data_analysis/time_series_plots.py b/protzilla/data_analysis/time_series_plots.py
index 3c5f8059..37c8ad34 100644
--- a/protzilla/data_analysis/time_series_plots.py
+++ b/protzilla/data_analysis/time_series_plots.py
@@ -150,15 +150,6 @@ def time_quant_plot(
             line=dict(color=PROTZILLA_DISCRETE_COLOR_SEQUENCE[4]),
         )
     )
-    fig.add_trace(
-        go.Scatter(
-            x=[None],
-            y=[None],
-            mode="markers",
-            marker=dict(color=PROTZILLA_DISCRETE_COLOR_SEQUENCE[0]),
-            name="Intensity",
-        )
-    )
     fig.update_layout(
         title=f"Time Series of {formatted_protein_name} in all samples",
         plot_bgcolor=colors["plot_bgcolor"],
diff --git a/protzilla/data_analysis/time_series_regression_analysis.py b/protzilla/data_analysis/time_series_regression_analysis.py
index b8aebce3..898f82f9 100644
--- a/protzilla/data_analysis/time_series_regression_analysis.py
+++ b/protzilla/data_analysis/time_series_regression_analysis.py
@@ -4,7 +4,6 @@
 import pandas as pd
 import plotly.graph_objects as go
 
-#from protzilla.data_analysis.time_series_helper import convert_time_to_hours
 from protzilla.utilities import default_intensity_column
 from protzilla.constants.colors import PROTZILLA_DISCRETE_COLOR_SEQUENCE
 
@@ -14,7 +13,6 @@
 from statsmodels.tsa.arima.model import ARIMA
 from statsmodels.tsa.stattools import adfuller
 from pmdarima import auto_arima
-from plotly.subplots import make_subplots
 
 colors = {
     "plot_bgcolor": "white",