diff --git a/apps/Makefile b/apps/Makefile
index 4f110df2..66d61d71 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -6,7 +6,7 @@ APPS_BIN := $(APPS_DIR)/bin
 
 REAL_APPS := $(patsubst %, $(APPS_BIN)/%, $(APPS))
 
-CFLAGS := -Wall -Wextra -Werror -Os -fno-asynchronous-unwind-tables
+CFLAGS := -Wall -Wextra -Werror -Os -fno-asynchronous-unwind-tables -ffunction-sections -fdata-sections -Wl,--gc-sections
 
 $(APPS_BIN)/%: $(APPS_SRC)/%.c
 	@mkdir -p $(@D)
diff --git a/libs/libc/Makefile b/libs/libc/Makefile
index 6ff35a0d..d2b1444b 100644
--- a/libs/libc/Makefile
+++ b/libs/libc/Makefile
@@ -5,7 +5,7 @@ LIBC_BIN := $(LIBC_DIR)/bin
 
 DESTDIR ?= $(LUNA_BASE)/usr/lib
 
-CFLAGS := -Os -nostdlib -fno-asynchronous-unwind-tables -fno-omit-frame-pointer -pedantic -Wall -Wextra -Werror -Wfloat-equal -Wdisabled-optimization -Wformat=2 -Winit-self -Wmissing-include-dirs -Wswitch-default -Wcast-qual -Wundef -Wcast-align -Wwrite-strings -Wlogical-op -Wredundant-decls -Wshadow -Wconversion
+CFLAGS := -Os -nostdlib -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables -fno-omit-frame-pointer -pedantic -Wall -Wextra -Werror -Wfloat-equal -Wdisabled-optimization -Wformat=2 -Winit-self -Wmissing-include-dirs -Wswitch-default -Wcast-qual -Wundef -Wcast-align -Wwrite-strings -Wlogical-op -Wredundant-decls -Wshadow -Wconversion
 CXXFLAGS := -fno-rtti -fno-exceptions -Wsign-promo -Wstrict-null-sentinel -Wctor-dtor-privacy
 ASMFLAGS := -felf64