diff --git a/CMakeLists.txt b/CMakeLists.txt
index 605a1e2..148c006 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -196,6 +196,7 @@ if(MSVC)
             unsigned long y;
             _BitScanReverse(&y, x);
             _BitScanReverse64(&x, y);
+            __popcnt64(x);
             return 0;
         }"
     HIGHS_HAVE_BITSCAN_REVERSE)
@@ -570,7 +572,6 @@ else(FAST_BUILD)
   # Add tests in examples/tests
   add_subdirectory(examples)
 
-  add_subdirectory(app)
 
   if(EXP)
     add_executable(doctest)