diff --git a/modules/addoncompat.lua b/modules/addoncompat.lua
index 6acca64a..e73a2c41 100644
--- a/modules/addoncompat.lua
+++ b/modules/addoncompat.lua
@@ -128,7 +128,7 @@ pfUI:RegisterModule("addoncompat", function ()
         {T["Yes"], function()
           ReloadUI()
         end},
-        {T["No"], function() end},
+        {T["No"], nop},
         nil)
     end
   end
diff --git a/modules/gui.lua b/modules/gui.lua
index ee26dd0a..dc59de0a 100644
--- a/modules/gui.lua
+++ b/modules/gui.lua
@@ -761,7 +761,7 @@ pfUI:RegisterModule("gui", function ()
       local defval = "["..T["Search"].."]"
 
       -- initialize search window
-      CreateGUIEntry(defval, nil, function() end)
+      CreateGUIEntry(defval, nil, nop)
       pfUI.gui.frames[defval]:Click()
 
       local scroll = pfUI.gui.frames[defval].area.scroll.content
diff --git a/skins/blizzard/help.lua b/skins/blizzard/help.lua
index 27cd44e6..16826aa9 100644
--- a/skins/blizzard/help.lua
+++ b/skins/blizzard/help.lua
@@ -20,8 +20,8 @@ pfUI:RegisterSkin("Help", function ()
   -- HelpFrameHome
   StripTextures(HelpFrameHomeIssues)
   SkinButton(HelpFrameHomeIssues)
-  HelpFrameHomeIssues:SetScript("OnMouseUp", function() end)
-  HelpFrameHomeIssues:SetScript("OnMouseDown", function() end)
+  HelpFrameHomeIssues:SetScript("OnMouseUp", nop)
+  HelpFrameHomeIssues:SetScript("OnMouseDown", nop)
 
   SkinButton(HelpFrameHomeCancel)
 
@@ -49,13 +49,13 @@ pfUI:RegisterSkin("Help", function ()
   -- HelpFrameGeneral
   StripTextures(HelpFrameGeneralButton)
   SkinButton(HelpFrameGeneralButton)
-  HelpFrameGeneralButton:SetScript("OnMouseUp", function() end)
-  HelpFrameGeneralButton:SetScript("OnMouseDown", function() end)
+  HelpFrameGeneralButton:SetScript("OnMouseUp", nop)
+  HelpFrameGeneralButton:SetScript("OnMouseDown", nop)
 
   StripTextures(HelpFrameGeneralButton2)
   SkinButton(HelpFrameGeneralButton2)
-  HelpFrameGeneralButton2:SetScript("OnMouseUp", function() end)
-  HelpFrameGeneralButton2:SetScript("OnMouseDown", function() end)
+  HelpFrameGeneralButton2:SetScript("OnMouseUp", nop)
+  HelpFrameGeneralButton2:SetScript("OnMouseDown", nop)
 
   SkinButton(HelpFrameGeneralCancel)
 
@@ -69,13 +69,13 @@ pfUI:RegisterSkin("Help", function ()
 
   StripTextures(HelpFrameVerbalHarassmentButton)
   SkinButton(HelpFrameVerbalHarassmentButton)
-  HelpFrameVerbalHarassmentButton:SetScript("OnMouseUp", function() end)
-  HelpFrameVerbalHarassmentButton:SetScript("OnMouseDown", function() end)
+  HelpFrameVerbalHarassmentButton:SetScript("OnMouseUp", nop)
+  HelpFrameVerbalHarassmentButton:SetScript("OnMouseDown", nop)
 
   StripTextures(HelpFramePhysicalHarassmentButton)
   SkinButton(HelpFramePhysicalHarassmentButton)
-  HelpFramePhysicalHarassmentButton:SetScript("OnMouseUp", function() end)
-  HelpFramePhysicalHarassmentButton:SetScript("OnMouseDown", function() end)
+  HelpFramePhysicalHarassmentButton:SetScript("OnMouseUp", nop)
+  HelpFramePhysicalHarassmentButton:SetScript("OnMouseDown", nop)
 
   SkinButton(HelpFrameHarassmentCancel)
 
diff --git a/skins/blizzard/itemtext.lua b/skins/blizzard/itemtext.lua
index f0c3dc1b..377a7d84 100644
--- a/skins/blizzard/itemtext.lua
+++ b/skins/blizzard/itemtext.lua
@@ -76,8 +76,8 @@ pfUI:RegisterSkin("Books", function ()
     ItemTextScrollFrameScrollBarScrollUpButton:Show()
     ItemTextScrollFrameScrollBarScrollDownButton:Show()
 
-    ItemTextScrollFrame.Show = function(self) end
-    ItemTextScrollFrame.Hide = function(self) end
+    ItemTextScrollFrame.Show = nop
+    ItemTextScrollFrame.Hide = nop
     ItemTextScrollFrameScrollBar.Show = function(self) self.thumb:Show() end
     ItemTextScrollFrameScrollBar.Hide = function(self) self.thumb:Hide() end
     ItemTextScrollFrameScrollBarScrollUpButton.Show = function(self) if self:GetParent():GetValue() ~= 0 then self:Enable() end end
diff --git a/skins/blizzard/keybindings.lua b/skins/blizzard/keybindings.lua
index 8655ba92..17775315 100644
--- a/skins/blizzard/keybindings.lua
+++ b/skins/blizzard/keybindings.lua
@@ -34,8 +34,8 @@ pfUI:RegisterSkin("KeyBindings", function ()
         local button = _G["KeyBindingFrameBinding"..key.."Key"..btn.."Button"]
         StripTextures(button)
         SkinButton(button)
-        button:SetScript("OnMouseDown", function() end)
-        button:SetScript("OnMouseUp", function() end)
+        button:SetScript("OnMouseDown", nop)
+        button:SetScript("OnMouseUp", nop)
       end
     end
   end)
diff --git a/skins/blizzard/options-interface.lua b/skins/blizzard/options-interface.lua
index 16bb39a5..7b431578 100644
--- a/skins/blizzard/options-interface.lua
+++ b/skins/blizzard/options-interface.lua
@@ -23,7 +23,7 @@ pfUI:RegisterSkin("Options - Interface", function ()
     SkinCollapseButton(toggle)
     toggle:SetPushedTexture("")
     toggle:SetHighlightTexture("")
-    toggle.SetPushedTexture = function() end
+    toggle.SetPushedTexture = nop
   end
 
   -- ClassicAPI's own pages (Options\Panel.lua) number their controls