diff --git a/build-aux/flatpak/org.gnome.Sysprof3.json b/build-aux/flatpak/org.gnome.Sysprof3.json
index edf94112..03044b50 100644
--- a/build-aux/flatpak/org.gnome.Sysprof3.json
+++ b/build-aux/flatpak/org.gnome.Sysprof3.json
@@ -97,21 +97,6 @@
                 }
             ]
         },
-        {
-            "name" : "libdazzle",
-            "config-opts" : [
-                "--libdir=/app/lib",
-                "--buildtype=debugoptimized"
-            ],
-            "buildsystem" : "meson",
-            "builddir" : true,
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/libdazzle.git"
-                }
-            ]
-        },
         {
             "name" : "sysprof",
             "config-opts" : [
diff --git a/meson.build b/meson.build
index ea29ae8f..bc0c8c5d 100644
--- a/meson.build
+++ b/meson.build
@@ -23,7 +23,6 @@ podir = join_paths(meson.current_source_dir(), 'po')
 glib_req_version = '>= 2.67.4'
 gtk_req_version = '>= 3.22'
 polkit_req_version = '>= 0.105'
-dazzle_req_version = '>= 3.30.0'
 
 cc = meson.get_compiler('c')
 
diff --git a/src/libsysprof-ui/css/SysprofDisplay-shared.css b/src/libsysprof-ui/css/SysprofDisplay-shared.css
index abddcde6..4c992489 100644
--- a/src/libsysprof-ui/css/SysprofDisplay-shared.css
+++ b/src/libsysprof-ui/css/SysprofDisplay-shared.css
@@ -77,10 +77,6 @@ SysprofVisualizersFrame .left-column .small-button.flat:hover {
   border-color: @borders;
   }
 
-SysprofDisplay > dzlmultipaned > :nth-child(2) {
-  border-top: 1px solid @borders;
-  }
-
 SysprofVisualizersFrame .selection {
   border-radius: 3px;
   background-color: alpha(@theme_selected_bg_color, 0.35);