diff --git a/compiler/test/helpers/Helpers@compiler.kt b/compiler/test/helpers/compileXyz.kt
similarity index 61%
rename from compiler/test/helpers/Helpers@compiler.kt
rename to compiler/test/helpers/compileXyz.kt
index 85c1f5934..1862b7e01 100644
--- a/compiler/test/helpers/Helpers@compiler.kt
+++ b/compiler/test/helpers/compileXyz.kt
@@ -4,17 +4,11 @@ import kotlin.test.*
 import kotlin.io.path.*
 import java.nio.file.Path
 
-import prog8.ast.IBuiltinFunctions
-import prog8.ast.IMemSizer
-import prog8.ast.base.DataType
-import prog8.ast.base.Position
-import prog8.ast.expressions.Expression
-import prog8.ast.expressions.InferredTypes
-import prog8.ast.expressions.NumericLiteralValue
 import prog8.compiler.CompilationResult
 import prog8.compiler.compileProgram
 import prog8.compiler.target.ICompilationTarget
 
+
 internal fun CompilationResult.assertSuccess(description: String = ""): CompilationResult {
     assertTrue(success, "expected successful compilation but failed $description")
     return this
@@ -64,28 +58,3 @@ internal fun compileText(
     filePath.toFile().writeText(sourceText)
     return compileFile(platform, optimize, filePath.parent, filePath.name)
 }
-
-
-fun <A, B, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, combine2: (A, B) -> R) =
-    sequence {
-        for (a in dim1)
-            for (b in dim2)
-                yield(combine2(a, b))
-    }.toList()
-
-fun <A, B, C, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, dim3: Iterable<C>, combine3: (A, B, C) -> R) =
-    sequence {
-        for (a in dim1)
-            for (b in dim2)
-                for (c in dim3)
-                    yield(combine3(a, b, c))
-    }.toList()
-
-fun <A, B, C, D, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, dim3: Iterable<C>, dim4: Iterable<D>, combine4: (A, B, C, D) -> R) =
-    sequence {
-        for (a in dim1)
-            for (b in dim2)
-                for (c in dim3)
-                    for (d in dim4)
-                        yield(combine4(a, b, c, d))
-    }.toList()
diff --git a/compilerAst/test/helpers/DummyFunctions.kt b/compilerAst/test/helpers/DummyFunctions.kt
new file mode 100644
index 000000000..e212ea9ea
--- /dev/null
+++ b/compilerAst/test/helpers/DummyFunctions.kt
@@ -0,0 +1,21 @@
+package prog8tests.helpers
+
+import prog8.ast.IBuiltinFunctions
+import prog8.ast.IMemSizer
+import prog8.ast.base.Position
+import prog8.ast.expressions.Expression
+import prog8.ast.expressions.InferredTypes
+import prog8.ast.expressions.NumericLiteralValue
+
+val DummyFunctions = object : IBuiltinFunctions {
+    override val names: Set<String> = emptySet()
+    override val purefunctionNames: Set<String> = emptySet()
+    override fun constValue(
+        name: String,
+        args: List<Expression>,
+        position: Position,
+        memsizer: IMemSizer
+    ): NumericLiteralValue? = null
+
+    override fun returnType(name: String, args: MutableList<Expression>) = InferredTypes.InferredType.unknown()
+}
\ No newline at end of file
diff --git a/compilerAst/test/helpers/DummyMemsizer.kt b/compilerAst/test/helpers/DummyMemsizer.kt
new file mode 100644
index 000000000..3d226437d
--- /dev/null
+++ b/compilerAst/test/helpers/DummyMemsizer.kt
@@ -0,0 +1,8 @@
+package prog8tests.helpers
+
+import prog8.ast.IMemSizer
+import prog8.ast.base.DataType
+
+val DummyMemsizer = object : IMemSizer {
+    override fun memorySize(dt: DataType): Int = 0
+}
\ No newline at end of file
diff --git a/compilerAst/test/helpers/mapCombinations.kt b/compilerAst/test/helpers/mapCombinations.kt
new file mode 100644
index 000000000..e96734cb1
--- /dev/null
+++ b/compilerAst/test/helpers/mapCombinations.kt
@@ -0,0 +1,25 @@
+package prog8tests.helpers
+
+fun <A, B, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, combine2: (A, B) -> R) =
+    sequence {
+        for (a in dim1)
+            for (b in dim2)
+                yield(combine2(a, b))
+    }.toList()
+
+fun <A, B, C, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, dim3: Iterable<C>, combine3: (A, B, C) -> R) =
+    sequence {
+        for (a in dim1)
+            for (b in dim2)
+                for (c in dim3)
+                    yield(combine3(a, b, c))
+    }.toList()
+
+fun <A, B, C, D, R> mapCombinations(dim1: Iterable<A>, dim2: Iterable<B>, dim3: Iterable<C>, dim4: Iterable<D>, combine4: (A, B, C, D) -> R) =
+    sequence {
+        for (a in dim1)
+            for (b in dim2)
+                for (c in dim3)
+                    for (d in dim4)
+                        yield(combine4(a, b, c, d))
+    }.toList()
\ No newline at end of file
diff --git a/compilerAst/test/helpers/Helpers@compilerAst.kt b/compilerAst/test/helpers/paths.kt
similarity index 59%
rename from compilerAst/test/helpers/Helpers@compilerAst.kt
rename to compilerAst/test/helpers/paths.kt
index 1a59142a9..65c5de9fd 100644
--- a/compilerAst/test/helpers/Helpers@compilerAst.kt
+++ b/compilerAst/test/helpers/paths.kt
@@ -3,13 +3,6 @@ package prog8tests.helpers
 import kotlin.test.*
 import kotlin.io.path.*
 
-import prog8.ast.IBuiltinFunctions
-import prog8.ast.IMemSizer
-import prog8.ast.base.DataType
-import prog8.ast.base.Position
-import prog8.ast.expressions.Expression
-import prog8.ast.expressions.InferredTypes
-import prog8.ast.expressions.NumericLiteralValue
 import java.nio.file.Path
 
 
@@ -43,22 +36,3 @@ fun sanityCheckDirectories(workingDirName: String? = null) {
     assumeDirectory(resourcesDir)
     assumeDirectory(outputDir)
 }
-
-
-val DummyFunctions = object : IBuiltinFunctions {
-    override val names: Set<String> = emptySet()
-    override val purefunctionNames: Set<String> = emptySet()
-    override fun constValue(
-        name: String,
-        args: List<Expression>,
-        position: Position,
-        memsizer: IMemSizer
-    ): NumericLiteralValue? = null
-
-    override fun returnType(name: String, args: MutableList<Expression>) = InferredTypes.InferredType.unknown()
-}
-
-val DummyMemsizer = object : IMemSizer {
-    override fun memorySize(dt: DataType): Int = 0
-}
-