diff --git a/Makefile.system b/Makefile.system
index e9f81e3ba..275e33382 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -326,6 +326,7 @@ ifeq ($(C_COMPILER), GCC)
 GCCVERSIONGTEQ4 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 4)
 GCCVERSIONGT4 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \> 4)
 GCCVERSIONGT5 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \> 5)
+GCCVERSIONGTEQ9 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 9)
 GCCMINORVERSIONGTEQ7 := $(shell expr `$(CC) -dumpversion | cut -f2 -d.` \>= 7)
 ifeq ($(GCCVERSIONGT4), 1)
 # GCC Major version > 4
@@ -547,14 +548,9 @@ endif
 
 ifeq ($(ARCH), arm64)
 DYNAMIC_CORE =  ARMV8
-DYNAMIC_CORE += CORTEXA53
 DYNAMIC_CORE += CORTEXA57
-DYNAMIC_CORE += CORTEXA72
-DYNAMIC_CORE += CORTEXA73
-DYNAMIC_CORE += FALKOR
 DYNAMIC_CORE += THUNDERX
 DYNAMIC_CORE += THUNDERX2T99
-DYNAMIC_CORE += TSV110
 endif
 
 ifeq ($(ARCH), power)