diff --git a/ReferenceTests/src/tests/figures_and_makielayout.jl b/ReferenceTests/src/tests/figures_and_makielayout.jl
index 2f857d415c3..eba9109bdd1 100644
--- a/ReferenceTests/src/tests/figures_and_makielayout.jl
+++ b/ReferenceTests/src/tests/figures_and_makielayout.jl
@@ -220,10 +220,7 @@ end
 
     # TO not make this fail in CairoMakie, we dont actually plot the volume
     _f, ax, cp = contour(x, y, z, values; levels=10, colormap=:viridis)
-    Colorbar(fig[2, 1], cp; size=300)
-
-    _f, ax, vs = volumeslices(x, y, z, values, colormap=:bluesreds)
-    Colorbar(fig[2, 2], vs)
+    Colorbar(fig[2, :], cp; size=300)
 
     # horizontal colorbars
     Colorbar(fig[1, 3][2, 1]; limits=(0, 10), colormap=:viridis,
diff --git a/src/makielayout/blocks/colorbar.jl b/src/makielayout/blocks/colorbar.jl
index 188d3435de9..75b1a34a617 100644
--- a/src/makielayout/blocks/colorbar.jl
+++ b/src/makielayout/blocks/colorbar.jl
@@ -47,10 +47,6 @@ function extract_colormap(plot::StreamPlot)
     return extract_colormap(plot.plots[1])
 end
 
-function extract_colormap(plot::Combined{volumeslices})
-    return extract_colormap(plot.plots[1])
-end
-
 function extract_colormap(plot::Union{Contourf,Tricontourf})
     levels = plot._computed_levels
     limits = lift(l -> (l[1], l[end]), levels)
diff --git a/test/makielayout.jl b/test/makielayout.jl
index 4366a1081ff..f2ae4ca3835 100644
--- a/test/makielayout.jl
+++ b/test/makielayout.jl
@@ -180,13 +180,6 @@ end
         f, ax, pl = barplot(1:3; color=1:3)
         cbar = Colorbar(f[1, 2], pl)
         @test cbar.limits[] == Vec(1.0, 3.0)
-
-        let data = fill(1.0, 2,2,2)
-            data[1] = 3.0
-            f, ax, pl = volumeslices(1:2, 1:2, 1:2, data)
-            cbar = Colorbar(f[1,2], pl)
-            @test cbar.limits[] == Vec(1.0, 3.0)
-        end
     end
 end