diff --git a/lua/neobones/init.lua b/lua/neobones/init.lua
index 5c022e6..456e61f 100644
--- a/lua/neobones/init.lua
+++ b/lua/neobones/init.lua
@@ -4,10 +4,10 @@ local hsluv = lush.hsluv
 
 local base_name = util.bg_to_base_name()
 local p = require("neobones.palette")[base_name]
+local generator = require "zenbones.specs"
+local specs = generator.generate(p, base_name, generator.get_global_config(base_name, "neobones"))
 
 if base_name == "zenbones" then
-	local generator = require "zenbones.specs"
-	local specs = generator.generate(p, generator.get_global_config())
 	return lush.extends({ specs }).with(function()
 		return {
 			helpHyperTextJump { fg = hsluv "#195174" }, -- --link-color
@@ -16,8 +16,6 @@ if base_name == "zenbones" then
 		}
 	end)
 else
-	local generator = require "zenflesh.specs"
-	local specs = generator.generate(p, generator.get_global_config())
 	return lush.extends({ specs }).with(function()
 		return {
 			FloatBorder { fg = hsluv "#203f57" }, -- --border-color
diff --git a/lua/rosebones/init.lua b/lua/rosebones/init.lua
index 4b62004..8ac1e03 100644
--- a/lua/rosebones/init.lua
+++ b/lua/rosebones/init.lua
@@ -4,8 +4,8 @@ local util = require "zenbones.util"
 local base_name = util.bg_to_base_name()
 local p = require("rosebones.palette")[base_name]
 
-local generator = require(base_name .. ".specs")
-local specs = generator.generate(p, generator.get_global_config(base_name))
+local generator = require "zenbones.specs"
+local specs = generator.generate(p, base_name, generator.get_global_config(base_name, "rosebones"))
 
 -- extend specs using Lush
 return lush.extends({ specs }).with(function()
diff --git a/lua/zenbones/init.lua b/lua/zenbones/init.lua
index bd9f9c9..80fc7e0 100644
--- a/lua/zenbones/init.lua
+++ b/lua/zenbones/init.lua
@@ -1,4 +1,4 @@
 local generator = require "zenbones.specs"
 local p = require "zenbones.palette"
 
-return generator.generate(p, generator.get_global_config())
+return generator.generate(p, "zenbones", generator.get_global_config "zenbones")
diff --git a/lua/zenbones/palette.lua b/lua/zenbones/palette.lua
index 9d751ff..3432917 100644
--- a/lua/zenbones/palette.lua
+++ b/lua/zenbones/palette.lua
@@ -1,5 +1,3 @@
 local util = require "zenbones.util"
-local lush = require "lush"
-local hsluv = lush.hsluv
 
 return util.palette_extend({}, "zenbones")
diff --git a/lua/zenbones/specs/init.lua b/lua/zenbones/specs/init.lua
new file mode 100644
index 0000000..1b7c184
--- /dev/null
+++ b/lua/zenbones/specs/init.lua
@@ -0,0 +1,34 @@
+local M = {}
+
+function M.get_global_config(base_name, prefix)
+	prefix = type(prefix) == "string" and prefix or base_name
+	if base_name == "zenbones" then
+		return {
+			lightness = vim.g[prefix .. "_lightness"],
+			comment_gui = vim.g[prefix .. "_italic_comments"] ~= false and "italic" or "NONE",
+			dim_noncurrent_window = vim.g[prefix .. "_dim_noncurrent_window"],
+			solid_vert_split = vim.g[prefix .. "_solid_vert_split"],
+		}
+	elseif base_name == "zenflesh" then
+		return {
+			darkness = vim.g[prefix .. "_darkness"],
+			comment_gui = vim.g[prefix .. "_italic_comments"] ~= false and "italic" or "NONE",
+			lighten_noncurrent_window = vim.g[prefix .. "_lighten_noncurrent_window"],
+			solid_vert_split = vim.g[prefix .. "_solid_vert_split"],
+		}
+	else
+		error "Unknown base_name"
+	end
+end
+
+function M.generate(p, base_name, opt)
+	if base_name == "zenbones" then
+		return require "zenbones.specs.zenbones"(p, opt)
+	elseif base_name == "zenflesh" then
+		return require "zenbones.specs.zenflesh"(p, opt)
+	else
+		error "Unknown base_name"
+	end
+end
+
+return M
diff --git a/lua/zenbones/specs.lua b/lua/zenbones/specs/zenbones.lua
similarity index 98%
rename from lua/zenbones/specs.lua
rename to lua/zenbones/specs/zenbones.lua
index 5129014..9293b16 100644
--- a/lua/zenbones/specs.lua
+++ b/lua/zenbones/specs/zenbones.lua
@@ -1,17 +1,6 @@
 local lush = require "lush"
 
-local M = {}
-
-function M.get_global_config(base_name)
-	return {
-		lightness = vim.g.zenbones_lightness,
-		comment_gui = vim.g.zenbones_italic_comments ~= false and "italic" or "NONE",
-		dim_noncurrent_window = vim.g.zenbones_dim_noncurrent_window,
-		solid_vert_split = vim.g.zenbones_solid_vert_split,
-	}
-end
-
-function M.generate(p, opt)
+local function generate(p, opt)
 	local normal_bg = p.bg
 	local diff_bg_l = 0
 
@@ -422,5 +411,5 @@ function M.generate(p, opt)
 	return lush.merge(specs)
 end
 
-return M
+return generate
 -- vi:nowrap
diff --git a/lua/zenflesh/specs.lua b/lua/zenbones/specs/zenflesh.lua
similarity index 98%
rename from lua/zenflesh/specs.lua
rename to lua/zenbones/specs/zenflesh.lua
index b6316e4..22fb982 100644
--- a/lua/zenflesh/specs.lua
+++ b/lua/zenbones/specs/zenflesh.lua
@@ -1,17 +1,6 @@
 local lush = require "lush"
 
-local M = {}
-
-function M.get_global_config(base_name)
-	return {
-		darkness = vim.g.zenflesh_darkness,
-		comment_gui = vim.g.zenflesh_italic_comments ~= false and "italic" or "NONE",
-		lighten_noncurrent_window = vim.g.zenflesh_lighten_noncurrent_window,
-		solid_vert_split = vim.g.zenflesh_solid_vert_split,
-	}
-end
-
-function M.generate(p, opt)
+local function generate(p, opt)
 	local normal_bg = p.bg
 	local diff_bg_l = 0
 
@@ -26,7 +15,7 @@ function M.generate(p, opt)
 		vim.api.nvim_echo({ { error_msg, "WarningMsg" } }, true, {})
 	end
 
-	local comment_gui = opt.comment_gui ~= false and "italic" or "NONE"
+	local comment_gui = opt.comment_gui
 
 	-- stylua: ignore start
 	local theme = lush(function()
@@ -422,5 +411,5 @@ function M.generate(p, opt)
 	return lush.merge(specs)
 end
 
-return M
+return generate
 -- vi:nowrap
diff --git a/lua/zenbones/util.lua b/lua/zenbones/util.lua
index 161843d..9b9fcca 100644
--- a/lua/zenbones/util.lua
+++ b/lua/zenbones/util.lua
@@ -1,5 +1,3 @@
-local lush = require "lush"
-local hsluv = lush.hsluv
 local M = {}
 
 -- got from http://lua-users.org/wiki/StringInterpolation
@@ -14,6 +12,8 @@ function M.bg_to_base_name()
 end
 
 function M.palette_extend(p, base_name)
+	local lush = require "lush"
+	local hsluv = lush.hsluv
 	if base_name == "zenbones" then
 		p = vim.tbl_extend("keep", p, {
 			bg = hsluv(39, 12, 94), -- sand
diff --git a/lua/zenflesh/init.lua b/lua/zenflesh/init.lua
index 584ba5f..a8d700d 100644
--- a/lua/zenflesh/init.lua
+++ b/lua/zenflesh/init.lua
@@ -1,4 +1,4 @@
-local generator = require "zenflesh.specs"
+local generator = require "zenbones.specs"
 local p = require "zenflesh.palette"
 
-return generator.generate(p, generator.get_global_config())
+return generator.generate(p, "zenflesh", generator.get_global_config "zenflesh")
diff --git a/lua/zenflesh/palette.lua b/lua/zenflesh/palette.lua
index 580864d..255119a 100644
--- a/lua/zenflesh/palette.lua
+++ b/lua/zenflesh/palette.lua
@@ -1,5 +1,3 @@
 local util = require "zenbones.util"
-local lush = require "lush"
-local hsluv = lush.hsluv
 
 return util.palette_extend({}, "zenflesh")