diff --git a/projects/ArchR/devices/RK3326/linux/linux.aarch64.conf b/projects/ArchR/devices/RK3326/linux/linux.aarch64.conf
index fd33f19436..bab1e634eb 100644
--- a/projects/ArchR/devices/RK3326/linux/linux.aarch64.conf
+++ b/projects/ArchR/devices/RK3326/linux/linux.aarch64.conf
@@ -784,7 +784,7 @@ CONFIG_BLK_DEV_WRITE_MOUNTED=y
 # CONFIG_BLK_CGROUP_IOPRIO is not set
 CONFIG_BLK_CGROUP_RWSTAT=y
 CONFIG_BLK_ICQ=y
-CONFIG_BLK_DEBUG_FS=y
+# CONFIG_BLK_DEBUG_FS is not set
 # CONFIG_BLK_SED_OPAL is not set
 # CONFIG_BLK_INLINE_ENCRYPTION is not set
 
@@ -1118,7 +1118,7 @@ CONFIG_NET_PTP_CLASSIFY=y
 # CONFIG_NETWORK_PHY_TIMESTAMPING is not set
 CONFIG_NETFILTER=y
 CONFIG_NETFILTER_ADVANCED=y
-CONFIG_BRIDGE_NETFILTER=m
+# CONFIG_BRIDGE_NETFILTER is not set
 
 #
 # Core Netfilter Configuration
diff --git a/projects/ArchR/packages/emulators/standalone/flycast-sa/package.mk b/projects/ArchR/packages/emulators/standalone/flycast-sa/package.mk
index a3c1968629..0aa80d7aeb 100644
--- a/projects/ArchR/packages/emulators/standalone/flycast-sa/package.mk
+++ b/projects/ArchR/packages/emulators/standalone/flycast-sa/package.mk
@@ -32,8 +32,7 @@ fi
 
 pre_configure_target() {
   export CXXFLAGS="${CXXFLAGS} -Wno-error=array-bounds"
-  PKG_CMAKE_OPTS_TARGET+=" -DUSE_OPENMP=ON"
-  sed -i 's/\-O[23]/-Ofast/' ${PKG_BUILD}/CMakeLists.txt
+  PKG_CMAKE_OPTS_TARGET+=" -DCMAKE_BUILD_TYPE=Release -DUSE_OPENMP=ON"
 }
 
 makeinstall_target() {