diff --git a/textarea/memoization/memoization.go b/internal/memoization/memoization.go
similarity index 100%
rename from textarea/memoization/memoization.go
rename to internal/memoization/memoization.go
diff --git a/textarea/memoization/memoization_test.go b/internal/memoization/memoization_test.go
similarity index 100%
rename from textarea/memoization/memoization_test.go
rename to internal/memoization/memoization_test.go
diff --git a/textarea/textarea.go b/textarea/textarea.go
index 365a005..4bb0c7b 100644
--- a/textarea/textarea.go
+++ b/textarea/textarea.go
@@ -8,10 +8,10 @@ import (
 	"unicode"
 
 	"github.com/atotto/clipboard"
-	"github.com/charmbracelet/bubbles/runeutil"
 	"github.com/charmbracelet/bubbles/v2/cursor"
+	"github.com/charmbracelet/bubbles/v2/internal/memoization"
+	"github.com/charmbracelet/bubbles/v2/internal/runeutil"
 	"github.com/charmbracelet/bubbles/v2/key"
-	"github.com/charmbracelet/bubbles/v2/textarea/memoization"
 	"github.com/charmbracelet/bubbles/v2/viewport"
 	tea "github.com/charmbracelet/bubbletea/v2"
 	"github.com/charmbracelet/lipgloss"