diff --git a/mfbt/tests/gtest/TestSpan.cpp b/mfbt/tests/gtest/TestSpan.cpp
index c5f04db0ddbd..fb7db0d158c1 100644
--- a/mfbt/tests/gtest/TestSpan.cpp
+++ b/mfbt/tests/gtest/TestSpan.cpp
@@ -19,6 +19,7 @@
 
 #include "gtest/gtest.h"
 
+#include "mozilla/Array.h"
 #include "mozilla/Span.h"
 
 #include "nsString.h"
diff --git a/mfbt/tests/gtest/TestTainting.cpp b/mfbt/tests/gtest/TestTainting.cpp
index ed9ba1e1600d..0025819c0622 100644
--- a/mfbt/tests/gtest/TestTainting.cpp
+++ b/mfbt/tests/gtest/TestTainting.cpp
@@ -7,6 +7,7 @@
 #include "gtest/gtest.h"
 #include <math.h>
 
+#include "mozilla/Array.h"
 #include "mozilla/Assertions.h"
 #include "mozilla/Range.h"
 #include "mozilla/Tainting.h"
diff --git a/mfbt/tests/gtest/moz.build b/mfbt/tests/gtest/moz.build
index 5ded0f4391a1..0af8d1ea75fc 100644
--- a/mfbt/tests/gtest/moz.build
+++ b/mfbt/tests/gtest/moz.build
@@ -30,5 +30,3 @@ if not CONFIG["MOZILLA_OFFICIAL"]:
 # ]
 
 FINAL_LIBRARY = "xul-gtest"
-
-REQUIRES_UNIFIED_BUILD = True