diff --git a/setupenv.bashrc b/setupenv.bashrc
index a026ec3..62aef72 100644
--- a/setupenv.bashrc
+++ b/setupenv.bashrc
@@ -29,7 +29,7 @@ function run_tests {
 
 function build {
     pushd "$PROJECT_BASE_DIR" >/dev/null 2>&1
-    SINGLE="$SINGLE" CXX="$CXX" CXXFLAGS="$CXXFLAGS" scripts/build.sh
+    scripts/build.sh
     popd >/dev/null 2>&1
 }