--- ./config.mk.orig
+++ ./config.mk
@@ -26,7 +26,7 @@
 # Comment out to disable TLS/PSK support in the broker and client. Requires
 # WITH_TLS=yes.
 # This must be disabled if using openssl < 1.0.
-WITH_TLS_PSK:=yes
+WITH_TLS_PSK:=no
 
 # Comment out to disable client client threading support.
 WITH_THREADING:=yes
@@ -46,7 +46,7 @@
 # Comment out to remove memory tracking support from the broker. If disabled,
 # mosquitto won't track heap memory usage nor export '$SYS/broker/heap/current
 # size', but will use slightly less memory and CPU time.
-WITH_MEMORY_TRACKING:=yes
+WITH_MEMORY_TRACKING:=no
 
 # Compile with database upgrading support? If disabled, mosquitto won't
 # automatically upgrade old database versions.
@@ -65,7 +65,7 @@
 WITH_UUID:=yes
 
 # Build with websockets support on the broker.
-WITH_WEBSOCKETS:=no
+WITH_WEBSOCKETS:=yes
 
 # Use elliptic keys in broker
 WITH_EC:=yes
@@ -78,6 +78,7 @@
 
 # Build with async dns lookup support for bridges (temporary). Requires glibc.
 #WITH_ADNS:=yes
+WITH_ADNS=no
 
 # =============================================================================
 # End of user configuration
@@ -249,7 +250,7 @@
 endif
 
 INSTALL?=install
-prefix=/usr/local
+prefix=/usr
 mandir=${prefix}/share/man
 localedir=${prefix}/share/locale
 STRIP?=strip