diff --git a/scripts/compile.sh b/scripts/compile.sh
index b8d3d8234..65c6478ff 100755
--- a/scripts/compile.sh
+++ b/scripts/compile.sh
@@ -4,6 +4,5 @@ set -e
 set -vx
 
 cd $(dirname "$0")/..
-mlir_dir=$(pwd -P)
 
-cmake -S llvm-project/llvm -B build -GNinja  -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DLLVM_ENABLE_PROJECTS=mlir -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_USE_LINKER=gold -DLLVM_ENABLE_ZSTD=OFF -DLLVM_EXTERNAL_PROJECTS="Imex" -DLLVM_EXTERNAL_IMEX_SOURCE_DIR=. "$@"
+cmake -S llvm-project/llvm -B _build -GNinja  -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DLLVM_ENABLE_PROJECTS=mlir -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_USE_LINKER=gold -DLLVM_ENABLE_ZSTD=OFF -DLLVM_EXTERNAL_PROJECTS="Imex" -DLLVM_EXTERNAL_IMEX_SOURCE_DIR=. "$@"