diff --git a/libgimp/gimpprocbrowserdialog.c b/libgimp/gimpprocbrowserdialog.c
index 12274fd32b..8843880f20 100644
--- a/libgimp/gimpprocbrowserdialog.c
+++ b/libgimp/gimpprocbrowserdialog.c
@@ -45,10 +45,8 @@
  **/
 
 
-#define DBL_LIST_WIDTH  250
-#define DBL_LIST_HEIGHT 250
-#define DBL_WIDTH       650
-#define DBL_HEIGHT      400
+#define DBL_WIDTH  650
+#define DBL_HEIGHT 400
 
 
 enum
@@ -143,7 +141,6 @@ gimp_proc_browser_dialog_init (GimpProcBrowserDialog *dialog)
   GtkWidget        *scrolled_window;
   GtkCellRenderer  *renderer;
   GtkTreeSelection *selection;
-  GtkWidget        *parent;
 
   gtk_window_set_default_size (GTK_WINDOW (dialog),
                                DBL_WIDTH, DBL_HEIGHT);
@@ -196,7 +193,6 @@ gimp_proc_browser_dialog_init (GimpProcBrowserDialog *dialog)
                     G_CALLBACK (browser_row_activated),
                     dialog);
 
-  gtk_widget_set_size_request (dialog->tree_view, DBL_LIST_WIDTH, DBL_LIST_HEIGHT);
   gtk_container_add (GTK_CONTAINER (scrolled_window), dialog->tree_view);
   gtk_widget_show (dialog->tree_view);
 
@@ -206,11 +202,6 @@ gimp_proc_browser_dialog_init (GimpProcBrowserDialog *dialog)
                     G_CALLBACK (browser_selection_changed),
                     dialog);
 
-  parent = gtk_widget_get_parent (gimp_browser_get_right_vbox (GIMP_BROWSER (dialog->browser)));
-  parent = gtk_widget_get_parent (parent);
-
-  gtk_widget_set_size_request (parent, DBL_WIDTH - DBL_LIST_WIDTH, -1);
-
   /* first search (all procedures) */
   browser_search (GIMP_BROWSER (dialog->browser),
                   "", SEARCH_TYPE_ALL, dialog);
diff --git a/libgimpwidgets/gimpbrowser.c b/libgimpwidgets/gimpbrowser.c
index 08bcc7b488..8feb154f43 100644
--- a/libgimpwidgets/gimpbrowser.c
+++ b/libgimpwidgets/gimpbrowser.c
@@ -42,6 +42,10 @@
  * A base class for a documentation browser.
  **/
 
+#define GIMP_BROWSER_LEFT_MIN_WIDTH   250
+#define GIMP_BROWSER_LEFT_MIN_HEIGHT  250
+#define GIMP_BROWSER_RIGHT_MIN_WIDTH  400
+#define GIMP_BROWSER_RIGHT_MIN_HEIGHT 250
 
 enum
 {
@@ -122,6 +126,7 @@ gimp_browser_init (GimpBrowser *browser)
   browser->search_type = -1;
 
   browser->left_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
+  gtk_widget_set_size_request (GTK_WIDGET (browser->left_vbox), GIMP_BROWSER_LEFT_MIN_WIDTH, GIMP_BROWSER_LEFT_MIN_HEIGHT);
   gtk_paned_pack1 (GTK_PANED (browser), browser->left_vbox, TRUE, FALSE);
   gtk_widget_show (browser->left_vbox);
 
@@ -170,6 +175,7 @@ gimp_browser_init (GimpBrowser *browser)
   /* scrolled window */
 
   scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+  gtk_widget_set_size_request (GTK_WIDGET (scrolled_window), GIMP_BROWSER_RIGHT_MIN_WIDTH, GIMP_BROWSER_RIGHT_MIN_HEIGHT);
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                   GTK_POLICY_AUTOMATIC,
                                   GTK_POLICY_AUTOMATIC);
diff --git a/plug-ins/common/plugin-browser.c b/plug-ins/common/plugin-browser.c
index fa90bed7a0..5924d3be9f 100644
--- a/plug-ins/common/plugin-browser.c
+++ b/plug-ins/common/plugin-browser.c
@@ -36,8 +36,6 @@
 #define PLUG_IN_PROC    "plug-in-plug-in-details"
 #define PLUG_IN_BINARY  "plugin-browser"
 #define PLUG_IN_ROLE    "gimp-plugin-browser"
-#define DBL_LIST_WIDTH  250
-#define DBL_LIST_HEIGHT 250
 #define DBL_WIDTH       650
 #define DBL_HEIGHT      400
 
@@ -546,7 +544,6 @@ browser_dialog_new (void)
   GtkTreeStore      *tree_store;
   GtkWidget         *list_view;
   GtkWidget         *tree_view;
-  GtkWidget         *parent;
   GtkTreeViewColumn *column;
   GtkCellRenderer   *renderer;
   GtkTreeSelection  *selection;
@@ -642,8 +639,6 @@ browser_dialog_new (void)
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 
-  gtk_widget_set_size_request (list_view, DBL_LIST_WIDTH, DBL_LIST_HEIGHT);
-
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (list_view));
   gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
 
@@ -704,7 +699,6 @@ browser_dialog_new (void)
                                        GTK_SHADOW_IN);
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
-  gtk_widget_set_size_request (tree_view, DBL_LIST_WIDTH, DBL_LIST_HEIGHT);
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
   gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
@@ -721,11 +715,6 @@ browser_dialog_new (void)
   gtk_widget_show (scrolled_window);
   gtk_widget_show (notebook);
 
-  parent = gtk_widget_get_parent (gimp_browser_get_right_vbox (GIMP_BROWSER (browser->browser)));
-  parent = gtk_widget_get_parent (parent);
-
-  gtk_widget_set_size_request (parent, DBL_WIDTH - DBL_LIST_WIDTH, -1);
-
   /* now build the list */
   browser_search (GIMP_BROWSER (browser->browser), "", 0, browser);