diff --git a/c/src/lib/libbsp/powerpc/qemuppc/make/custom/qemuppc.cfg b/c/src/lib/libbsp/powerpc/qemuppc/make/custom/qemuppc.cfg
index b768855588..81d49f97dc 100644
--- a/c/src/lib/libbsp/powerpc/qemuppc/make/custom/qemuppc.cfg
+++ b/c/src/lib/libbsp/powerpc/qemuppc/make/custom/qemuppc.cfg
@@ -13,6 +13,9 @@ CPU_CFLAGS = -mcpu=603e  -Dppc603e
 
 # optimize flag: typically -O2
 CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
 
 define bsp-post-link
 	$(default-bsp-post-link)