diff --git a/.gitignore b/.gitignore
index d16fad24508..40adbe96aa0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,6 @@ lib/
 .idea/
 proto/compiler/protoc-artifacts
 proto/compiler/tests
+
+proto/compiler/google/src/google/protobuf/compiler/kotlin/bin
+proto/compiler/google/src/google/protobuf/compiler/kotlin/protoc
diff --git a/proto/pre-build.sh b/proto/pre-build.sh
index 0b0c4026a28..4902abd87fe 100755
--- a/proto/pre-build.sh
+++ b/proto/pre-build.sh
@@ -42,12 +42,12 @@ if [ "$ok" == 0 ]; then
 		make
 
 		echo "Installing"
-		#sudo make install
+		sudo make install
 
 		echo "Cleaning"
-		cd ../..
-		rm -rf protobuf_sources
+		# cd ../..
+		# rm -rf protobuf_sources
 	fi
 else
 	echo "Prerequisites met, you can build library now via Makefile"
-fi
\ No newline at end of file
+fi