diff --git a/code/stimulus_chirp.py b/code/stimulus_chirp.py
index 0e01894..4558c3d 100644
--- a/code/stimulus_chirp.py
+++ b/code/stimulus_chirp.py
@@ -52,6 +52,10 @@ ax2.set_ylabel("frequency [Hz]", fontsize = 22)
 ax2.yaxis.set_label_coords(-0.1, 0.5)
 plt.xticks(fontsize=18)
 plt.yticks(fontsize=18)
+ax1.spines["top"].set_visible(False)
+ax1.spines["right"].set_visible(False)
+ax2.spines["top"].set_visible(False)
+ax2.spines["right"].set_visible(False)
 fig.tight_layout()
-plt.show()
-#plt.savefig('stimulus_chirp.png')
+#plt.show()
+plt.savefig('stimulus_chirp.png')