diff --git a/pkgs/oizys/internal/oizys/ignored.txt b/pkgs/oizys/internal/oizys/ignored.txt
new file mode 100644
index 0000000..7693d95
--- /dev/null
+++ b/pkgs/oizys/internal/oizys/ignored.txt
@@ -0,0 +1,21 @@
+ld-library-path
+builder.pl
+profile
+system-path
+nixos-help
+nixos-install
+nixos-version
+nixos-manual-html
+nixos-rebuild
+nixos-configuration-reference-manpage
+nixos-generate-config
+nixos-enter
+nixos-container
+nixos-build-vms
+nixos-wsl-version
+nixos-wsl-welcome-message
+nixos-wsl-welcome
+restic-gdrive
+gitea
+lock
+code
diff --git a/pkgs/oizys/internal/oizys/main.go b/pkgs/oizys/internal/oizys/main.go
index 0469e2c..44a9d32 100644
--- a/pkgs/oizys/internal/oizys/main.go
+++ b/pkgs/oizys/internal/oizys/main.go
@@ -255,6 +255,12 @@ func splitDrv(drv string) (string, string) {
 	return drvName, hash
 }
 
+const tableTmpl = `# Building Derivations
+| derivation | hash |
+|---|---|
+%s
+`
+
 func writeDervationsToStepSummary(drvs []string) {
 	tableRows := make([]string, len(drvs))
 	for i, drv := range drvs {
@@ -264,16 +270,7 @@ func writeDervationsToStepSummary(drvs []string) {
 			name, hash,
 		)
 	}
-
-	o.writeToGithubStepSummary(
-		fmt.Sprintf(`# Building Derivations
-| derivation | hash |
-|---|---|
-%s
-`,
-			strings.Join(tableRows, "\n"),
-		),
-	)
+	o.writeToGithubStepSummary(fmt.Sprintf(tableTmpl, strings.Join(tableRows, "\n")))
 }
 
 func NixBuild(minimal bool, rest ...string) {
diff --git a/pkgs/oizys/internal/oizys/nix.go b/pkgs/oizys/internal/oizys/nix.go
index 696d30c..e246e44 100644
--- a/pkgs/oizys/internal/oizys/nix.go
+++ b/pkgs/oizys/internal/oizys/nix.go
@@ -1,6 +1,7 @@
 package oizys
 
 import (
+  _ "embed"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -12,22 +13,21 @@ import (
 	"github.com/charmbracelet/log"
 )
 
-var ignoredMap = stringSliceToMap(
-	[]string{
-		// nix
-		"ld-library-path", "builder.pl", "profile", "system-path",
-		// nixos
-		"nixos-help",
-		"nixos-install", "nixos-version",
-		"nixos-manual-html", "nixos-rebuild",
-		"nixos-configuration-reference-manpage",
-		"nixos-generate-config", "nixos-enter",
-		"nixos-container", "nixos-build-vms",
-		"nixos-wsl-version", "nixos-wsl-welcome-message", "nixos-wsl-welcome",
-		// trivial packages
-		"restic-gdrive", "gitea", "lock", "code",
-	},
-)
+//go:embed ignored.txt
+var ignoredList string
+var ignoredMap = stringToMap(ignoredList)
+
+func stringToMap(s string) map[string]struct{} {
+  return stringSliceToMap(strings.Split(s, "\n"))
+}
+
+func stringSliceToMap(slice []string) map[string]struct{} {
+	hashMap := make(map[string]struct{}, len(slice))
+	for _, s := range slice {
+		hashMap[s] = struct{}{}
+	}
+	return hashMap
+}
 
 type Derivation struct {
 	InputDrvs map[string]interface{}
@@ -72,13 +72,7 @@ func drvNotIgnored(drv string) bool {
 	return !ok
 }
 
-func stringSliceToMap(slice []string) map[string]struct{} {
-	hashMap := make(map[string]struct{}, len(slice))
-	for _, s := range slice {
-		hashMap[s] = struct{}{}
-	}
-	return hashMap
-}
+
 
 func drvsToInputs(derivation map[string]Derivation) []string {
 	var drvs []string