diff --git a/core/dplug/core/stackallocator.d b/core/dplug/core/stackallocator.d
index 023e9108..59d367a8 100644
--- a/core/dplug/core/stackallocator.d
+++ b/core/dplug/core/stackallocator.d
@@ -4,12 +4,13 @@ Stack allocator for temporary allocations.
 Copyright: Auburn Sounds 2019.
 License:   $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
 */
+// TODO deprecated("Will be removed in Dplug v15") for the module itself
 module dplug.core.stackallocator;
 
 import core.stdc.stdlib: malloc, free;
 import dplug.core.vec;
 
-struct StackAllocator
+deprecated("Will be removed in Dplug v14") struct StackAllocator
 {
 private:
     Vec!(ubyte*) bucketArray;
@@ -76,37 +77,3 @@ public:
         currentPageFreeBytes = PAGE_SIZE;
     }
 }
-
-unittest
-{
-    StackAllocator allocator;
-    auto saved = allocator.saveState;
-    uint[] arr = allocator.makeArray!uint(10);
-    arr[] = 42;
-    assert(arr.length == 10);
-    allocator.restoreState(saved);
-
-    uint[] arr2 = allocator.makeArray!uint(10);
-    arr2[] = 48;
-
-    assert(arr[0] == 48);
-
-    // multiple allocations
-    uint[] arr3 = allocator.makeArray!uint(10);
-    arr3[] = 60;
-
-    // doesn't overwrite arr2
-    assert(arr2[0] == 48);
-    assert(arr2[$-1] == 48);
-
-    allocator.restoreState(saved);
-
-    // test new page allocation
-    allocator.makeArray!uint(1);
-    allocator.makeArray!uint(StackAllocator.PAGE_SIZE / uint.sizeof);
-
-    allocator.restoreState(saved);
-
-    // test page reuse
-    allocator.makeArray!uint(StackAllocator.PAGE_SIZE / uint.sizeof);
-}
\ No newline at end of file
diff --git a/graphics/dplug/graphics/draw.d b/graphics/dplug/graphics/draw.d
index 4501d201..68aa385b 100644
--- a/graphics/dplug/graphics/draw.d
+++ b/graphics/dplug/graphics/draw.d
@@ -212,10 +212,10 @@ void fillSector(V, COLOR)(auto ref V v, int x, int y, int r0, int r1, real a0, r
 {
     int x0 = x>r1?x-r1:0;
     int y0 = y>r1?y-r1:0;
-    int x1 = x+r;
+    int x1 = x+r1;
     if (x1 > v.w-1)
         x1 = v.w-1;
-    int y1 = y+r;
+    int y1 = y+r1;
     if (y1 > v.h-1)
         y1 = v.h-1;