diff --git a/gis/postgis/postgis.SlackBuild b/gis/postgis/postgis.SlackBuild
index 9dbc0d4bba..6c14107eda 100644
--- a/gis/postgis/postgis.SlackBuild
+++ b/gis/postgis/postgis.SlackBuild
@@ -28,7 +28,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=postgis
 VERSION=${VERSION:-3.4.2}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -96,6 +96,7 @@ CXXFLAGS="$SLKCFLAGS" \
   --datarootdir=/usr \
   --sysconfdir=/etc \
   --localstatedir=/var \
+  --without-protobuf \
   $SHP2PGSQL_GUI \
   --build=$ARCH-slackware-linux
 
diff --git a/gis/postgis/postgis.info b/gis/postgis/postgis.info
index c1f40cb1c8..8651201812 100644
--- a/gis/postgis/postgis.info
+++ b/gis/postgis/postgis.info
@@ -5,6 +5,6 @@ DOWNLOAD="https://download.osgeo.org/postgis/source/postgis-3.4.2.tar.gz"
 MD5SUM="632abda8b4267af437db6cde1bc9d9dc"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="gdal postgresql protobuf-c"
+REQUIRES="gdal postgresql"
 MAINTAINER="Giancarlo Dessi"
 EMAIL="slack@giand.it"