--- configure
+++ configure
@@ -21384,7 +21384,6 @@
   CFLAGS=
 fi
 
-CFLAGS="-O3 -ffast-math -pipe $CFLAGS"
 
 DFB_INTERNAL_CFLAGS="-D_GNU_SOURCE $DFB_INTERNAL_CFLAGS"
 
@@ -21903,7 +21902,6 @@
   enable_debug=no
 fi;
 if test "$enable_debug" = "yes"; then
-    CFLAGS="$CFLAGS -g3 -fno-inline"
     DIRECT_BUILD_DEBUG=1
 else
     DIRECT_BUILD_DEBUG=0
@@ -21929,7 +21927,6 @@
   enable_trace=no
 fi;
 if test "$enable_trace" = "yes"; then
-    DFB_INTERNAL_CFLAGS="$DFB_INTERNAL_CFLAGS -finstrument-functions"
     DIRECT_BUILD_TRACE=1
 else
     DIRECT_BUILD_TRACE=0