diff --git a/schainpy/model/graphics/jroplot_parameters.py b/schainpy/model/graphics/jroplot_parameters.py
index 38a9b3f..9575826 100644
--- a/schainpy/model/graphics/jroplot_parameters.py
+++ b/schainpy/model/graphics/jroplot_parameters.py
@@ -354,7 +354,12 @@ class GenericRTIPlot(Plot):
             else:
                 if self.zlimits is not None:
                     self.zmin, self.zmax = self.zlimits[n]
-                ax.plt.remove()
+
+                try:
+                   ax.collections.remove(ax.collections[0])
+                except:
+                   pass                                                   
+                # ax.plt.remove()
                 ax.plt = ax.pcolormesh(x, y, z[n].T * self.factors[n],
                                        vmin=self.zmin,
                                        vmax=self.zmax,