diff --git a/packages/sysutils/remote/irserver/build b/packages/sysutils/remote/irserver/build
index dd4c7225e4..487d00a92c 100755
--- a/packages/sysutils/remote/irserver/build
+++ b/packages/sysutils/remote/irserver/build
@@ -4,15 +4,10 @@
 
 $SCRIPTS/build toolchain
 
-# irserver fails to compile with GCC 4.5.0's link time optimization.
-  CFLAGS=`echo $CFLAGS | sed -e "s|-flto||" -e "s|-fuse-linker-plugin||" -e "s|-fwhole-program||"`
-  CXXFLAGS=`echo $CXXFLAGS | sed -e "s|-flto||" -e "s|-fuse-linker-plugin||" -e "s|-fwhole-program||"`
-  LDFLAGS=`echo $LDFLAGS | sed -e "s|-flto||" -e "s|-fuse-linker-plugin||" -e "s|-fwhole-program||"`
-
 cd $PKG_BUILD
 
 [ $TARGET_ARCH = i386 ] && make CC=$TARGET_CC irserver
 [ $TARGET_ARCH = x86_64 ] && make CC=$TARGET_CC irserver64
 [ $TARGET_ARCH = arm ] && make CC=$TARGET_CC irserver_arm
 
-$STRIP $1*
\ No newline at end of file
+$STRIP $1*