diff --git a/reactos/lib/rtl/heap.c b/reactos/lib/rtl/heap.c
index b258d1e54b6..c5f7c539652 100644
--- a/reactos/lib/rtl/heap.c
+++ b/reactos/lib/rtl/heap.c
@@ -1753,4 +1753,18 @@ RtlValidateProcessHeaps(VOID)
    return Result;
 }
 
+/*
+ * @unimplemented
+ */
+ULONG
+STDCALL
+RtlZeroHeap(
+    IN PVOID HeapHandle,
+    IN ULONG Flags
+    )
+{
+    UNIMPLEMENTED;
+    return 0;
+}
+
 /* EOF */
diff --git a/reactos/lib/rtl/unicode.c b/reactos/lib/rtl/unicode.c
index 4845e48f51c..759395e9c79 100644
--- a/reactos/lib/rtl/unicode.c
+++ b/reactos/lib/rtl/unicode.c
@@ -600,6 +600,22 @@ RtlIntegerToUnicodeString(
    return Status;
 }
 
+/*
+ * @unimplemented
+ */
+NTSTATUS
+STDCALL
+RtlIntegerToUnicode(
+    IN ULONG Value,
+    IN ULONG Base  OPTIONAL,
+    IN ULONG Length OPTIONAL,
+    IN OUT LPWSTR String
+    )
+{
+    UNIMPLEMENTED;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
 
 /*
  * @implemented