diff --git a/plug-ins/python/colorxhtml.py b/plug-ins/python/colorxhtml.py
index 8acf925b47..296ce881b8 100755
--- a/plug-ins/python/colorxhtml.py
+++ b/plug-ins/python/colorxhtml.py
@@ -24,8 +24,6 @@ import sys
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
@@ -69,7 +67,8 @@ def export_colorxhtml(procedure, run_mode, image, file, options, metadata, confi
                                            GLib.Error(error))
 
     if run_mode == Gimp.RunMode.INTERACTIVE:
-
+        gi.require_version('GimpUi', '3.0')
+        from gi.repository import GimpUi
         gi.require_version('Gtk', '3.0')
         from gi.repository import Gtk
 
diff --git a/plug-ins/python/foggify.py b/plug-ins/python/foggify.py
index 6b901bd6c0..74c480237a 100755
--- a/plug-ins/python/foggify.py
+++ b/plug-ins/python/foggify.py
@@ -17,8 +17,6 @@
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 gi.require_version('Gegl', '0.4')
 from gi.repository import Gegl
 from gi.repository import GObject
@@ -32,6 +30,9 @@ def _(message): return GLib.dgettext(None, message)
 
 def foggify(procedure, run_mode, image, drawables, config, data):
     if run_mode == Gimp.RunMode.INTERACTIVE:
+        gi.require_version('GimpUi', '3.0')
+        from gi.repository import GimpUi
+
         GimpUi.init('python-fu-foggify')
 
         dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)
diff --git a/plug-ins/python/gradients-save-as-css.py b/plug-ins/python/gradients-save-as-css.py
index 1347de1fc5..761160bf78 100755
--- a/plug-ins/python/gradients-save-as-css.py
+++ b/plug-ins/python/gradients-save-as-css.py
@@ -25,13 +25,9 @@
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
-gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
 import time
 import sys
 
@@ -62,6 +58,11 @@ def gradient_css_save(procedure, config, data):
     runmode = config.get_property("run-mode")
 
     if runmode == Gimp.RunMode.INTERACTIVE:
+        gi.require_version('GimpUi', '3.0')
+        from gi.repository import GimpUi
+        gi.require_version('Gtk', '3.0')
+        from gi.repository import Gtk
+
         GimpUi.init('python-fu-gradient-save-as-css')
         dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)
 
diff --git a/plug-ins/python/histogram-export.py b/plug-ins/python/histogram-export.py
index ce2b47b227..55ead63d66 100644
--- a/plug-ins/python/histogram-export.py
+++ b/plug-ins/python/histogram-export.py
@@ -42,8 +42,6 @@ import sys
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
@@ -165,6 +163,9 @@ def histogram_export(procedure, img, layers, gio_file,
 
 def run(procedure, run_mode, image, layers, config, data):
     if run_mode == Gimp.RunMode.INTERACTIVE:
+        gi.require_version('GimpUi', '3.0')
+        from gi.repository import GimpUi
+
         GimpUi.init("python-fu-histogram-export")
 
         dialog = GimpUi.ProcedureDialog.new(procedure, config, _("Histogram Export..."))
diff --git a/plug-ins/python/palette-export-as-kpl.py b/plug-ins/python/palette-export-as-kpl.py
index e9d50bccf7..a6bdc5a050 100644
--- a/plug-ins/python/palette-export-as-kpl.py
+++ b/plug-ins/python/palette-export-as-kpl.py
@@ -19,13 +19,9 @@
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
-gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
 import os, sys, tempfile, zipfile
 import xml.etree.ElementTree as ET
 
@@ -45,6 +41,11 @@ def palette_kpl_export(procedure, config, data):
     runmode = config.get_property("run-mode")
 
     if runmode == Gimp.RunMode.INTERACTIVE:
+        gi.require_version('GimpUi', '3.0')
+        from gi.repository import GimpUi
+        gi.require_version('Gtk', '3.0')
+        from gi.repository import Gtk
+
         GimpUi.init('python-fu-palette-export-as-kpl')
         dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)
 
diff --git a/plug-ins/python/palette-offset.py b/plug-ins/python/palette-offset.py
index b6c46fa458..2f28aa2333 100644
--- a/plug-ins/python/palette-offset.py
+++ b/plug-ins/python/palette-offset.py
@@ -16,8 +16,6 @@
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
@@ -86,6 +84,8 @@ class PaletteOffset (Gimp.PlugIn):
                                                GLib.Error(error))
 
         if runmode == Gimp.RunMode.INTERACTIVE:
+            gi.require_version('GimpUi', '3.0')
+            from gi.repository import GimpUi
             gi.require_version('Gtk', '3.0')
             from gi.repository import Gtk
 
diff --git a/plug-ins/python/palette-sort.py b/plug-ins/python/palette-sort.py
index e345546cfd..bc55ee7a2c 100755
--- a/plug-ins/python/palette-sort.py
+++ b/plug-ins/python/palette-sort.py
@@ -29,13 +29,9 @@ gi.require_version('Babl', '0.1')
 from gi.repository import Babl
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
-gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
 import sys
 
 def N_(message): return message
@@ -421,6 +417,11 @@ class PaletteSort (Gimp.PlugIn):
                                                GLib.Error(error))
 
         if run_mode == Gimp.RunMode.INTERACTIVE:
+            gi.require_version('GimpUi', '3.0')
+            from gi.repository import GimpUi
+            gi.require_version('Gtk', '3.0')
+            from gi.repository import Gtk
+
             GimpUi.init('python-fu-palette-sort')
             dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)
 
diff --git a/plug-ins/python/palette-to-gradient.py b/plug-ins/python/palette-to-gradient.py
index 152ee4dd14..372a99ab7e 100644
--- a/plug-ins/python/palette-to-gradient.py
+++ b/plug-ins/python/palette-to-gradient.py
@@ -16,13 +16,9 @@
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
-gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
 import sys
 
 def N_(message): return message
@@ -62,6 +58,11 @@ def run(procedure, config, data):
     run_mode = config.get_property("run-mode")
 
     if run_mode == Gimp.RunMode.INTERACTIVE:
+        gi.require_version('GimpUi', '3.0')
+        from gi.repository import GimpUi
+        gi.require_version('Gtk', '3.0')
+        from gi.repository import Gtk
+
         GimpUi.init(procedure.get_name())
         dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)
 
diff --git a/plug-ins/python/spyro-plus.py b/plug-ins/python/spyro-plus.py
index 65d2ab2c30..e9faf878d2 100755
--- a/plug-ins/python/spyro-plus.py
+++ b/plug-ins/python/spyro-plus.py
@@ -18,8 +18,6 @@
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 from gi.repository import GObject
 from gi.repository import GLib
 from gi.repository import Gio
@@ -2359,6 +2357,9 @@ class SpyrogimpPlusPlugin(Gimp.PlugIn):
             engine.draw_full(layers[0])
 
         elif run_mode == Gimp.RunMode.INTERACTIVE:
+            gi.require_version('GimpUi', '3.0')
+            from gi.repository import GimpUi
+
             Gegl.init (None)
 
             window = SpyroWindow(image, layers[0])
diff --git a/plug-ins/python/test-dialog.py b/plug-ins/python/test-dialog.py
index e368fc0729..9346cb1644 100644
--- a/plug-ins/python/test-dialog.py
+++ b/plug-ins/python/test-dialog.py
@@ -16,8 +16,6 @@
 import gi
 gi.require_version('Gimp', '3.0')
 from gi.repository import Gimp
-gi.require_version('GimpUi', '3.0')
-from gi.repository import GimpUi
 gi.require_version('Gegl', '0.4')
 from gi.repository import Gegl
 from gi.repository import GObject
@@ -99,6 +97,9 @@ def test_dialog(procedure, run_mode, image, drawables, config, data):
     Just a standard shell for a plugin.
     '''
     if run_mode == Gimp.RunMode.INTERACTIVE:
+        gi.require_version('GimpUi', '3.0')
+        from gi.repository import GimpUi
+
         GimpUi.init('python-fu-test-dialog')
         Gegl.init(None)
         dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)