diff --git a/CHANGES.rst b/CHANGES.rst
index 034361b6..b3edcb8b 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -25,6 +25,8 @@ Changelog
 
 -   Change playground configuration to read O3 replay data from O2 replay data.
 
+-   Drop dependency on seaborn.
+
 0.12.3 (2020-03-24)
 -------------------
 
diff --git a/docs-requirements.txt b/docs-requirements.txt
index 0b0df238..525e7db1 100644
--- a/docs-requirements.txt
+++ b/docs-requirements.txt
@@ -1,4 +1,3 @@
 celery[redis]>=4.4.0
 matplotlib
-seaborn
 sphinx>=1.8.0b1
diff --git a/gwcelery/tasks/skymaps.py b/gwcelery/tasks/skymaps.py
index cff00945..72ab9b3b 100644
--- a/gwcelery/tasks/skymaps.py
+++ b/gwcelery/tasks/skymaps.py
@@ -13,7 +13,6 @@
 from ligo.skymap.tool import ligo_skymap_plot_volume
 from matplotlib import pyplot as plt
 import numpy as np
-import seaborn
 
 from . import gracedb
 from . import lvalert
@@ -187,7 +186,7 @@ def plot_bayes_factor(logb,
         plot_bayes_factor(6.3, title='GWCelery is awesome')
 
     """
-    with seaborn.axes_style('ticks', seaborn.plotting_context('notebook')):
+    with plt.style.context('seaborn-notebook'):
         fig, ax = plt.subplots(figsize=(6, 1.7), tight_layout=True)
         ax.set_xlim(-xlim, xlim)
         ax.set_ylim(-0.5, 0.5)
@@ -215,13 +214,19 @@ def plot_bayes_factor(logb,
         ax2.set_xticks(ticks)
         ax2.xaxis.set_major_formatter(fmt)
         levels = (-xlim, *ticks, xlim)
-        colors = seaborn.color_palette(palette, len(levels) - 1)
-        ax.barh(0, np.diff(levels), 1, levels[:-1], color=colors)
+        colors = plt.get_cmap(palette)(np.arange(1, len(levels)) / len(levels))
+        ax.barh(0, np.diff(levels), 1, levels[:-1],
+                linewidth=plt.rcParams['xtick.major.width'],
+                color=colors, edgecolor='white')
 
         # Plot bar for log Bayes factor value
-        ax.barh(0, logb, 0.5, color='black')
+        ax.barh(0, logb, 0.5, color='black',
+                linewidth=plt.rcParams['xtick.major.width'],
+                edgecolor='white')
 
-        seaborn.despine(fig, ax, top=True, right=True, bottom=True, left=True)
+        for ax_ in fig.axes:
+            for spine in ax_.spines.values():
+                spine.set_visible(False)
 
     return fig, ax
 
diff --git a/requirements.txt b/requirements.txt
index 99d322d8..db299c2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,6 @@ pygcn >= 1.0.1
 pytest >= 3.0
 python-ligo-lw
 safe-netrc
-seaborn
 sentry-sdk[flask,tornado]
 service_identity  # We don't actually use this package, but it silences some annoying warnings from twistd.
 sleek-lvalert < 2.0.0