diff --git a/config/path b/config/path
index 616e8aa7a5..793636b19c 100644
--- a/config/path
+++ b/config/path
@@ -80,7 +80,7 @@ TOOLCHAIN_LANGUAGES=c
 [ "$TOOLCHAIN_CXX" = yes ] && TOOLCHAIN_LANGUAGES=${TOOLCHAIN_LANGUAGES},c++
 
 if [ "$OPTIMIZATIONS" = speed ];then
-  GCC_OPTIM="-Os -ffast-math $PROJECT_CFLAGS"
+  GCC_OPTIM="-O3 -ffast-math $PROJECT_CFLAGS"
   GCC_OPTIM="$GCC_OPTIM -ftree-loop-distribution"
   GCC_OPTIM="$GCC_OPTIM -floop-interchange"
   GCC_OPTIM="$GCC_OPTIM -floop-strip-mine"
@@ -123,7 +123,7 @@ if [ "$DEBUG" = yes ]; then
 else
   TARGET_CFLAGS="$TARGET_CFLAGS -s -fomit-frame-pointer"
   TARGET_CXXFLAGS="$TARGET_CXXFLAGS -s -fomit-frame-pointer"
-  TARGET_LDFLAGS="$TARGET_LDFLAGS -s"
+  TARGET_LDFLAGS="$TARGET_LDFLAGS -s -Wl,--as-needed"
 fi
 
 HOST_AWK=gawk