diff --git a/core/src/main/kotlin/io/github/chrislo27/rhre3/patternstorage/PatternStorage.kt b/core/src/main/kotlin/io/github/chrislo27/rhre3/patternstorage/PatternStorage.kt
index 58369576b..08d6fee87 100644
--- a/core/src/main/kotlin/io/github/chrislo27/rhre3/patternstorage/PatternStorage.kt
+++ b/core/src/main/kotlin/io/github/chrislo27/rhre3/patternstorage/PatternStorage.kt
@@ -39,7 +39,7 @@ object PatternStorage {
         sort()
     }
 
-    fun persist() {
+    fun persist(deleteAllOthers: Boolean = false) {
         val values = patterns.values.toList()
 
         values.mapNotNull { pattern ->
@@ -65,6 +65,8 @@ object PatternStorage {
         }.also { arrayNode ->
             FOLDER.child("list/").apply { mkdirs() }.child("list.json").writeString(JsonHandler.toJson(arrayNode), false, "UTF-8")
         }
+        val filenames = values.mapNotNull(StoredPattern::filename)
+        FOLDER.list().filter { it.name() !in filenames }.forEach { it.delete() }
     }
 
     fun addPattern(pattern: StoredPattern): PatternStorage {
diff --git a/core/src/main/kotlin/io/github/chrislo27/rhre3/screen/PatternDeleteScreen.kt b/core/src/main/kotlin/io/github/chrislo27/rhre3/screen/PatternDeleteScreen.kt
index 3410935f2..7b45f3ad7 100644
--- a/core/src/main/kotlin/io/github/chrislo27/rhre3/screen/PatternDeleteScreen.kt
+++ b/core/src/main/kotlin/io/github/chrislo27/rhre3/screen/PatternDeleteScreen.kt
@@ -51,7 +51,7 @@ class PatternDeleteScreen(main: RHRE3Application, val editor: Editor, val patter
             override fun onLeftClick(xPercent: Float, yPercent: Float) {
                 super.onLeftClick(xPercent, yPercent)
 
-                PatternStorage.deletePattern(pattern).persist()
+                PatternStorage.deletePattern(pattern).persist(deleteAllOthers = true)
                 editor.stage.updateSelected()
                 main.screen = ScreenRegistry["editor"]
             }