diff --git a/byg/byg.cabal b/byg/byg.cabal
index 06bc348..7552d31 100644
--- a/byg/byg.cabal
+++ b/byg/byg.cabal
@@ -32,6 +32,7 @@ library
         Evaluation.FunctionIO
         DependencyRunner
         SiteGenerator
+        Precomputer
     build-depends:
         base >=4.14 && <4.20
       , mtl
diff --git a/byg/src/Main.hs b/byg/src/Main.hs
index 6002d14..adfa47e 100644
--- a/byg/src/Main.hs
+++ b/byg/src/Main.hs
@@ -1,25 +1,28 @@
 {-# LANGUAGE TemplateHaskell #-}
 module Main where
 
-import Types.Dependency (Dependency, formatDependencyTrees)
 import DependencyGenerator (evalDepGenM)
 import SiteGenerator (generateSite)
-import DependencyRunner (runDeps, runDepRunMIO)
+import qualified Precomputer
 
 import System.Environment (getArgs)
+import Data.Text (Text)
 import qualified Data.Text.IO as T
-import Language.Haskell.TH.Syntax (lift)
+import Language.Haskell.TH.Syntax
 
-dependencies :: [Dependency]
-dependencies = $(lift (evalDepGenM generateSite))
+formatDependencyTrees :: Text
+formatDependencyTrees = $$(Precomputer.formatDependencyTrees $(lift (evalDepGenM generateSite)))
+
+runDeps :: IO ()
+runDeps = $$(Precomputer.runDeps $(lift (evalDepGenM generateSite)))
 
 main :: IO ()
 main = do
   args <- getArgs
   case args of
     ["run"] ->
-      runDepRunMIO $ runDeps dependencies
+      runDeps
     ["tree"] ->
-      T.putStr $ formatDependencyTrees dependencies
+      T.putStr formatDependencyTrees
     _ ->
       error "unexpected arguments"
diff --git a/byg/src/Precomputer.hs b/byg/src/Precomputer.hs
new file mode 100644
index 0000000..74afe55
--- /dev/null
+++ b/byg/src/Precomputer.hs
@@ -0,0 +1,18 @@
+{-# LANGUAGE TemplateHaskell #-}
+module Precomputer
+  ( runDeps
+  , formatDependencyTrees
+  ) where
+
+import Types.Dependency (Dependency)
+import qualified DependencyRunner as DR
+import qualified Types.Dependency as D
+
+import Data.Text (Text)
+import Language.Haskell.TH.Syntax
+
+runDeps :: [Dependency] -> Code Q (IO ())
+runDeps deps = [|| DR.runDepRunMIO (DR.runDeps deps) ||]
+
+formatDependencyTrees :: [Dependency] -> Code Q Text
+formatDependencyTrees deps = [|| D.formatDependencyTrees deps ||]