diff --git a/recipe/build-lib.bat b/recipe/build-lib.bat
index 7284193..02e3d6a 100644
--- a/recipe/build-lib.bat
+++ b/recipe/build-lib.bat
@@ -1,10 +1,5 @@
 @echo on
 
-:: we're trying to avoid the third_party sources, and not building them;
-:: to avoid weird errors if those sources got picked up nevertheless, delete them
-rmdir /S /Q third_party\absl
-rmdir /S /Q third_party\protobuf-lite
-
 mkdir build
 cd build
 
diff --git a/recipe/build-lib.sh b/recipe/build-lib.sh
index 6f879ab..4beeaea 100644
--- a/recipe/build-lib.sh
+++ b/recipe/build-lib.sh
@@ -1,11 +1,6 @@
 #!/bin/bash
 set -ex
 
-# we're trying to avoid the third_party sources, and not building them;
-# to avoid weird errors if those sources got picked up nevertheless, delete them
-rm -rf third_party/absl
-rm -rf third_party/protobuf-lite
-
 mkdir build
 cd build