diff --git a/StickerSlack.xcodeproj/project.pbxproj b/StickerSlack.xcodeproj/project.pbxproj
index 9c2c14e..50fa07c 100644
--- a/StickerSlack.xcodeproj/project.pbxproj
+++ b/StickerSlack.xcodeproj/project.pbxproj
@@ -694,7 +694,7 @@
 				SWIFT_APPROACHABLE_CONCURRENCY = YES;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -726,7 +726,7 @@
 				SWIFT_APPROACHABLE_CONCURRENCY = YES;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 			};
diff --git a/StickerSlack/EmojiHoarder.swift b/StickerSlack/EmojiHoarder.swift
index 629b7b5..7414e40 100644
--- a/StickerSlack/EmojiHoarder.swift
+++ b/StickerSlack/EmojiHoarder.swift
@@ -37,6 +37,17 @@ class EmojiHoarder: ObservableObject {
 		}
 	}
 	
+	func deleteAllStickers() async {
+		await withTaskGroup { group in
+			for emoji in emojis {
+				group.addTask {
+					guard await emoji.isLocal else { return }
+					await emoji.deleteImage()
+				}
+			}
+		}
+	}
+	
 	func storeDB() {
 		try! encoder.encode(emojis).write(to: EmojiHoarder.localEmojiDB)
 	}
diff --git a/StickerSlack/Views/EmojiPreview.swift b/StickerSlack/Views/EmojiPreview.swift
index e877737..535d0c0 100644
--- a/StickerSlack/Views/EmojiPreview.swift
+++ b/StickerSlack/Views/EmojiPreview.swift
@@ -18,7 +18,7 @@ struct EmojiPreview: View {
 			Text(emoji.name)
 			Group {
 				if emoji.isLocal {
-					Image(uiImage: emoji.image!)
+					Image(uiImage: emoji.image ?? UIImage())
 						.resizable().scaledToFit()
 						.border(.orange)
 						.overlay(alignment: .bottomLeading) {
diff --git a/StickerSlackTests/StickerSlackTests.swift b/StickerSlackTests/StickerSlackTests.swift
index eb8d3be..25874ea 100644
--- a/StickerSlackTests/StickerSlackTests.swift
+++ b/StickerSlackTests/StickerSlackTests.swift
@@ -131,4 +131,24 @@ struct PerformanceTests {
 			try! await doThing(on: emoji, i: &i)
 		}
 	}
+	
+	@Test func fakeDownloadAllStickers() async throws {
+		await withDiscardingTaskGroup { group in
+			for emoji in hoarder.emojis {
+				group.addTask {
+					try! Data().write(to: emoji.localImageURL)
+				}
+			}
+		}
+	}
+	
+	@Test func deleteAllImages() async throws {
+		await withDiscardingTaskGroup { group in
+			for emoji in hoarder.emojis {
+				group.addTask {
+					emoji.deleteImage()
+				}
+			}
+		}
+	}
 }