import matplotlib.pyplot as plt

# using tex shows spurious labels on the x axis
plt.rcParams.update({"text.usetex": True})

fig, axs = plt.subplots(1, 3, sharey=True)

# add a big axes, hide frame
hidden_ax = fig.add_subplot(111, frameon=False)

# hide tick and tick label of the big axes
plt.tick_params(labelcolor='none', top=False, bottom=False, left=False, right=False)

# comment in this workaround
# as suggested in https://github.com/matplotlib/matplotlib/issues/10163/
# hidden_ax.xaxis.set_major_locator(plt.NullLocator())
# hidden_ax.yaxis.set_major_locator(plt.NullLocator())

# save figures
fig.savefig("test.eps")
fig.savefig("test.pdf")