diff --git a/build.sh b/build.sh
index 87329f3..1c594fa 100755
--- a/build.sh
+++ b/build.sh
@@ -17,6 +17,7 @@ rm -f bootstrap.toml
     --set llvm.download-ci-llvm=true \
     --set rust.llvm-tools=false \
     --set rust.llvm-bitcode-linker=false \
+    --set build.warnings=false \
     --set build.optimized-compiler-builtins=false # necessary to make cross-doc work for all targets
 
 targets=(