diff --git a/mods/ITEMS/mcl_enchanting/enchantments.lua b/mods/ITEMS/mcl_enchanting/enchantments.lua
index 265bdb742d..ca936c3192 100644
--- a/mods/ITEMS/mcl_enchanting/enchantments.lua
+++ b/mods/ITEMS/mcl_enchanting/enchantments.lua
@@ -155,7 +155,7 @@ mcl_enchanting.enchantments.efficiency = {
 	description = S("Increases mining speed."),
 	curse = false,
 	on_enchant = function(itemstack, level)
-		mcl_enchanting.apply_efficiency(itemstack, level)
+		mcl_enchanting.update_groupcaps(itemstack)
 	end,
 	requires_tool = false,
 	treasure = false,
diff --git a/mods/ITEMS/mcl_enchanting/engine.lua b/mods/ITEMS/mcl_enchanting/engine.lua
index acde352b72..1325e5777a 100644
--- a/mods/ITEMS/mcl_enchanting/engine.lua
+++ b/mods/ITEMS/mcl_enchanting/engine.lua
@@ -235,12 +235,7 @@ local function get_after_use_callback(itemdef)
 		-- one too.
 		return function(itemstack, user, node, digparams)
 			itemdef.after_use(itemstack, user, node, digparams)
-
-			local enchantments = mcl_enchanting.get_enchantments(itemstack)
-			local level = enchantments.efficiency
-			if level then
-				mcl_enchanting.apply_efficiency(itemstack, level)
-			end
+			mcl_enchanting.update_groupcaps(itemstack)
 		end
 	end
 
@@ -252,10 +247,7 @@ local function get_after_use_callback(itemdef)
 		end
 
 		local enchantments = mcl_enchanting.get_enchantments(itemstack)
-		local level = enchantments.efficiency
-		if level then
-			mcl_enchanting.enchantments.efficiency.on_enchant(itemstack, level)
-		end
+		mcl_enchanting.update_groupcaps(itemstack)
 	end
 end
 
diff --git a/mods/ITEMS/mcl_enchanting/efficiency.lua b/mods/ITEMS/mcl_enchanting/groupcaps.lua
similarity index 69%
rename from mods/ITEMS/mcl_enchanting/efficiency.lua
rename to mods/ITEMS/mcl_enchanting/groupcaps.lua
index d4b06e5fb4..3060000db3 100644
--- a/mods/ITEMS/mcl_enchanting/efficiency.lua
+++ b/mods/ITEMS/mcl_enchanting/groupcaps.lua
@@ -1,4 +1,4 @@
-local efficiency_cache_table = {}
+local groupcaps_cache = {}
 
 -- Compute a hash value.
 function compute_hash(value)
@@ -8,18 +8,23 @@ function compute_hash(value)
 	return string.sub(minetest.get_password_hash("ryvnf", minetest.serialize(value)), 1, 8)
 end
 
--- Get the efficiency groupcaps and hash for a tool and efficiency level.  If
--- this function is called repeatedly with the same values it will return data
--- from a cache.
+-- Get the groupcaps and hash for an enchanted tool.  If this function is called
+-- repeatedly with the same values it will return data from a cache.
+--
+-- Parameters:
+-- toolname - Name of the tool
+-- level - The efficiency level of the tool
 --
 -- Returns a table with the following two fields:
--- values - the groupcaps table
--- hash - the hash of the groupcaps table
+-- values - The groupcaps table
+-- hash - The hash of the groupcaps table
 local function get_efficiency_groupcaps(toolname, level)
-	local toolcache = efficiency_cache_table[toolname]
+	local toolcache = groupcaps_cache[toolname]
+	local level = level
+
 	if not toolcache then
 		toolcache = {}
-		efficiency_cache_table[toolname] = toolcache
+		groupcaps_cache[toolname] = toolcache
 	end
 
 	local levelcache = toolcache[level]
@@ -33,15 +38,15 @@ local function get_efficiency_groupcaps(toolname, level)
 	return levelcache
 end
 
--- Apply efficiency enchantment to a tool.  This will update the tools
--- tool_capabilities to give it new digging times.  This function will be called
+-- Update groupcaps of an enchanted tool.  This function will be called
 -- repeatedly to make sure the digging times stored in groupcaps stays in sync
 -- when the digging times of nodes can change.
 --
 -- To make it more efficient it will first check a hash value to determine if
 -- the tool needs to be updated.
-function mcl_enchanting.apply_efficiency(itemstack, level)
+function mcl_enchanting.update_groupcaps(itemstack)
 	local name = itemstack:get_name()
+	local level = mcl_enchanting.get_enchantment(itemstack, "efficiency")
 	local groupcaps = get_efficiency_groupcaps(name, level)
 	local hash = itemstack:get_meta():get_string("groupcaps_hash")
 
diff --git a/mods/ITEMS/mcl_enchanting/init.lua b/mods/ITEMS/mcl_enchanting/init.lua
index 45faa498b5..5858b85eb5 100644
--- a/mods/ITEMS/mcl_enchanting/init.lua
+++ b/mods/ITEMS/mcl_enchanting/init.lua
@@ -59,7 +59,7 @@ mcl_enchanting = {
 }
 
 dofile(modpath .. "/engine.lua")
-dofile(modpath .. "/efficiency.lua")
+dofile(modpath .. "/groupcaps.lua")
 dofile(modpath .. "/enchantments.lua")
 
 minetest.register_chatcommand("enchant", {