diff --git a/Swift/Memory.Aux.swift b/Swift/Memory.Aux.swift
deleted file mode 100644
index 4d28373..0000000
--- a/Swift/Memory.Aux.swift
+++ /dev/null
@@ -1,14 +0,0 @@
-func memory_generateConstPlayfield(
-  _ n: Int
-) -> [Int: Int] {
-  var idGroups = [Int: Int]()
-  var id = 0
-  for gid in stride(from: 0, to: n, by: 1) {
-    idGroups[id] = gid
-    id += 1
-    idGroups[id] = gid
-    id += 1
-  }
-
-  return idGroups
-}
diff --git a/Swift/main.swift b/Swift/main.swift
deleted file mode 100644
index a19c5a7..0000000
--- a/Swift/main.swift
+++ /dev/null
@@ -1 +0,0 @@
-print(test_memory_generateConstPlayfield())
diff --git a/gen-Swift b/gen-Swift
index 4f436fb..0fb55ff 100755
--- a/gen-Swift
+++ b/gen-Swift
@@ -1,4 +1 @@
-swiftc -o test_memory_Swift \
-  Swift/Memory.Aux.swift \
-  Swift/Memory.Test.swift \
-  Swift/main.swift
+swiftc -o test_memory_Swift main.swift
diff --git a/Swift/Memory.Test.swift b/main.swift
similarity index 53%
rename from Swift/Memory.Test.swift
rename to main.swift
index 53e5d4d..602a87e 100644
--- a/Swift/Memory.Test.swift
+++ b/main.swift
@@ -1,3 +1,18 @@
+func memory_generateConstPlayfield(
+  _ n: Int
+) -> [Int: Int] {
+  var idGroups = [Int: Int]()
+  var id = 0
+  for gid in stride(from: 0, to: n, by: 1) {
+    idGroups[id] = gid
+    id += 1
+    idGroups[id] = gid
+    id += 1
+  }
+
+  return idGroups
+}
+
 func test_memory_generateConstPlayfield() -> String {
   let idGroups = memory_generateConstPlayfield(2)
   if (
@@ -12,3 +27,5 @@ func test_memory_generateConstPlayfield() -> String {
 
   return "ERR: memory_generateConstPlayfield"
 }
+
+print(test_memory_generateConstPlayfield())