diff --git a/contrib/geoJSON_export.lua b/contrib/geoJSON_export.lua
index 4834bb0..4815e07 100644
--- a/contrib/geoJSON_export.lua
+++ b/contrib/geoJSON_export.lua
@@ -35,7 +35,6 @@ USAGE
 local dt = require "darktable"
 local du = require "lib/dtutils"
 local df = require "lib/dtutils.file"
-require "official/yield"
 local gettext = dt.gettext
 
 du.check_min_api_version("3.0.0", "geoJSON_export") 
diff --git a/contrib/geoToolbox.lua b/contrib/geoToolbox.lua
index 1bce5f3..86dd533 100644
--- a/contrib/geoToolbox.lua
+++ b/contrib/geoToolbox.lua
@@ -28,7 +28,6 @@ require "geoToolbox"
 local dt = require "darktable"
 local du = require "lib/dtutils"
 local df = require "lib/dtutils.file"
-require "official/yield"
 local gettext = dt.gettext
 
 du.check_min_api_version("3.0.0", "geoToolbox") 
diff --git a/contrib/hugin.lua b/contrib/hugin.lua
index 83ec3be..1de8f04 100644
--- a/contrib/hugin.lua
+++ b/contrib/hugin.lua
@@ -40,7 +40,6 @@ local du = require "lib/dtutils"
 local df = require "lib/dtutils.file"
 local log = require "lib/dtutils.log"
 local dtsys = require "lib/dtutils.system"
-require "official/yield"
 local gettext = dt.gettext
 
 local namespace = 'module_hugin'
@@ -227,4 +226,4 @@ dt.register_storage(namespace, _("hugin panorama"), show_status, create_panorama
 
 
 --
--- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua
\ No newline at end of file
+-- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua
diff --git a/contrib/pdf_slideshow.lua b/contrib/pdf_slideshow.lua
index f01b014..10e84db 100644
--- a/contrib/pdf_slideshow.lua
+++ b/contrib/pdf_slideshow.lua
@@ -41,7 +41,6 @@ format (all fields can be the empty string):
 local dt = require "darktable"
 local du = require "lib/dtutils"
 local df = require "lib/dtutils.file"
-require "official/yield"
 
 local gettext = dt.gettext
 
diff --git a/contrib/slideshowMusic.lua b/contrib/slideshowMusic.lua
index 90d6bc3..921c6ff 100644
--- a/contrib/slideshowMusic.lua
+++ b/contrib/slideshowMusic.lua
@@ -27,7 +27,6 @@ USAGE
 local dt = require "darktable"
 local du = require "lib/dtutils"
 local df = require "lib/dtutils.file"
-require "official/yield"
 local gettext = dt.gettext
 
 du.check_min_api_version("2.0.2", "slideshowMusic") 
diff --git a/lib/dtutils/system.lua b/lib/dtutils/system.lua
index f202d6d..f41f821 100644
--- a/lib/dtutils/system.lua
+++ b/lib/dtutils/system.lua
@@ -1,7 +1,6 @@
 local dtutils_system = {}
 
 local dt = require "darktable"
-require "official/yield"  -- necessary for dt.control.execute()
 
 dtutils_system.libdoc = {
   Name = [[dtutils.system]],
diff --git a/official/generate_image_txt.lua b/official/generate_image_txt.lua
index a214a2a..0d34330 100644
--- a/official/generate_image_txt.lua
+++ b/official/generate_image_txt.lua
@@ -37,7 +37,6 @@ USAGE
 local dt = require "darktable"
 local du = require "lib/dtutils"
 require "darktable.debug"
-require "official/yield"
 
 du.check_min_api_version("2.1.0", "generate_image_txt") 
 
diff --git a/official/selection_to_pdf.lua b/official/selection_to_pdf.lua
index f6fbfe8..9d548da 100644
--- a/official/selection_to_pdf.lua
+++ b/official/selection_to_pdf.lua
@@ -35,7 +35,6 @@ Plugin allows you to choose how many thumbnails you need per row
 ]]
 local dt = require "darktable"
 local du = require "lib/dtutils"
-require "official/yield"
 
 du.check_min_api_version("2.0.0", "selection_to_pdf")
 
diff --git a/official/yield.lua b/official/yield.lua
deleted file mode 100644
index 3e5cb9b..0000000
--- a/official/yield.lua
+++ /dev/null
@@ -1,42 +0,0 @@
---[[
-    This file is part of darktable,
-    Copyright 2016 by Tobias Jakobs.
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-]]
---[[
-darktable yield compatibility script
-
-USAGE
-* require this script from your main Lua file in the first line
-
-]]
-local dt = require "darktable"
-local yield_orig = coroutine.yield
-
-if (dt.configuration.api_version_major < 4) then
-  dt.control = {}
-  dt.control.execute = function(command)
-    yield_orig("RUN_COMMAND", command)
-  end
-  dt.control.read = function(command)
-    yield_orig("FILE_READABLE", command)
-  end
-  dt.control.sleep = function(command)
-    yield_orig("WAIT_MS", command)
-  end
-end
-
--- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua
--- kate: hl Lua;
diff --git a/tools/script_manager.lua b/tools/script_manager.lua
index ecb4999..684d488 100644
--- a/tools/script_manager.lua
+++ b/tools/script_manager.lua
@@ -226,7 +226,7 @@ local function scan_scripts()
             if not string.match(script_file, "yield") then          -- special case, because everything needs this
               add_script_data(script_file)
             else
-              prequire(script_file) -- load yield.lua
+              -- prequire(script_file) -- load yield.lua
             end
           end
         end