diff --git a/Ports/zlib/package.sh b/Ports/zlib/package.sh
index 4ee53ae490d23c..c70598eca9707c 100755
--- a/Ports/zlib/package.sh
+++ b/Ports/zlib/package.sh
@@ -5,12 +5,6 @@ useconfigure=true
 files="https://www.zlib.net/zlib-${version}.tar.gz zlib-${version}.tar.gz 91844808532e5ce316b3c010929493c0244f3d37593afd6de04f71821d5136d9"
 auth_type="sha256"
 
-pre_configure() {
-    # HACK: Even though Clang generates PIC objects by default, an R_386_PC32
-    # relocation still slips into libz.a if we don't set -fPIC explicitly.
-    export CFLAGS="-fPIC -O3"
-}
-
 configure() {
     # Set uname to linux to prevent it finding the host's `libtool` on e.g. Darwin
     run ./configure --uname=linux