diff --git a/gtda/diagrams/representations.py b/gtda/diagrams/representations.py
index 0149220e6..95855dfdc 100644
--- a/gtda/diagrams/representations.py
+++ b/gtda/diagrams/representations.py
@@ -206,43 +206,41 @@ def plot(self, Xt, sample=0, homology_dimensions=None, plotly_params=None):
                     ix = np.flatnonzero(homology_dimensions_arr == dim)[0]
                     _homology_dimensions.append((ix, dim))
 
+        layout_axes_common = {
+            "type": "linear",
+            "ticks": "outside",
+            "showline": True,
+            "zeroline": True,
+            "linewidth": 1,
+            "linecolor": "black",
+            "mirror": False,
+            "showexponent": "all",
+            "exponentformat": "e"
+            }
         layout = {
             "xaxis1": {
                 "title": "Filtration parameter",
                 "side": "bottom",
-                "type": "linear",
-                "ticks": "outside",
-                "anchor": "x1",
-                "showline": True,
-                "zeroline": True,
-                "showexponent": "all",
-                "exponentformat": "e"
+                "anchor": "y1",
+                **layout_axes_common
                 },
             "yaxis1": {
                 "title": "Betti number",
                 "side": "left",
-                "type": "linear",
-                "ticks": "outside",
-                "anchor": "y1",
-                "showline": True,
-                "zeroline": True,
-                "showexponent": "all",
-                "exponentformat": "e"
+                "anchor": "x1",
+                **layout_axes_common
                 },
             "plot_bgcolor": "white",
             "title": f"Betti curves from diagram {sample}"
             }
 
         fig = Figure(layout=layout)
-        fig.update_xaxes(zeroline=True, linewidth=1, linecolor="black",
-                         mirror=False)
-        fig.update_yaxes(zeroline=True, linewidth=1, linecolor="black",
-                         mirror=False)
 
         for ix, dim in _homology_dimensions:
             fig.add_trace(Scatter(x=self.samplings_[dim],
                                   y=Xt[sample][ix],
-                                  mode="lines", showlegend=True,
+                                  mode="lines",
+                                  showlegend=True,
                                   name=f"H{int(dim)}"))
 
         # Update traces and layout according to user input
@@ -452,7 +450,7 @@ def plot(self, Xt, sample=0, homology_dimensions=None, plotly_params=None):
                     inv_idx = np.flatnonzero(homology_dimensions_arr == dim)[0]
                     _homology_dimensions.append((inv_idx, dim))
 
-        layout_axes_comm = {
+        layout_axes_common = {
             "type": "linear",
             "ticks": "outside",
             "showline": True,
@@ -467,12 +465,12 @@ def plot(self, Xt, sample=0, homology_dimensions=None, plotly_params=None):
             "xaxis1": {
                 "side": "bottom",
                 "anchor": "y1",
-                **layout_axes_comm
+                **layout_axes_common
                 },
             "yaxis1": {
                 "side": "left",
                 "anchor": "x1",
-                **layout_axes_comm
+                **layout_axes_common
                 },
             "plot_bgcolor": "white",
             }
@@ -1172,37 +1170,34 @@ def plot(self, Xt, sample=0, homology_dimensions=None, plotly_params=None):
                     ix = np.flatnonzero(homology_dimensions_arr == dim)[0]
                     _homology_dimensions.append((ix, dim))
 
+        layout_axes_common = {
+            "type": "linear",
+            "ticks": "outside",
+            "showline": True,
+            "zeroline": True,
+            "linewidth": 1,
+            "linecolor": "black",
+            "mirror": False,
+            "showexponent": "all",
+            "exponentformat": "e"
+            }
         layout = {
             "xaxis1": {
                 "title": "Filtration parameter",
                 "side": "bottom",
-                "type": "linear",
-                "ticks": "outside",
-                "anchor": "x1",
-                "showline": True,
-                "zeroline": True,
-                "showexponent": "all",
-                "exponentformat": "e"
+                "anchor": "y1",
+                **layout_axes_common
                 },
             "yaxis1": {
                 "side": "left",
-                "type": "linear",
-                "ticks": "outside",
-                "anchor": "y1",
-                "showline": True,
-                "zeroline": True,
-                "showexponent": "all",
-                "exponentformat": "e"
+                "anchor": "x1",
+                **layout_axes_common
                 },
             "plot_bgcolor": "white",
             "title": f"Silhouette representation of diagram {sample}"
             }
 
         fig = Figure(layout=layout)
-        fig.update_xaxes(zeroline=True, linewidth=1, linecolor="black",
-                         mirror=False)
-        fig.update_yaxes(zeroline=True, linewidth=1, linecolor="black",
-                         mirror=False)
 
         for ix, dim in _homology_dimensions:
             fig.add_trace(Scatter(x=self.samplings_[dim],