diff --git a/armsrc/Makefile b/armsrc/Makefile
index f9e33f5e5..23ac247c3 100644
--- a/armsrc/Makefile
+++ b/armsrc/Makefile
@@ -20,7 +20,7 @@ endif
 #in the next section to remove that particular feature from compilation.
 # NO space,TABs after the "\" sign.
 APP_CFLAGS = $(PLATFORM_DEFS) \
-             -fno-strict-aliasing -ffunction-sections -fdata-sections
+             -ffunction-sections -fdata-sections
 
 SRC_LF = lfops.c lfsampling.c pcf7931.c lfdemod.c lfadc.c
 SRC_ISO15693 = iso15693.c iso15693tools.c
diff --git a/bootrom/Makefile b/bootrom/Makefile
index 785293ca6..75a4e5ced 100644
--- a/bootrom/Makefile
+++ b/bootrom/Makefile
@@ -23,7 +23,7 @@ VERSIONSRC = version.c
 # THUMBSRC :=
 
 # stdint.h provided locally until GCC 4.5 becomes C99 compliant
-APP_CFLAGS = -I. -fno-strict-aliasing -ffunction-sections -fdata-sections
+APP_CFLAGS = -I. -ffunction-sections -fdata-sections
 
 # stack-protect , no-pie reduces size on Gentoo Hardened 8.2 gcc
 APP_CFLAGS += -fno-stack-protector -fno-pie