diff --git a/include/linker/linker-tool-mwdt.h b/include/linker/linker-tool-mwdt.h
index 59fb7b54997..890b66300c1 100644
--- a/include/linker/linker-tool-mwdt.h
+++ b/include/linker/linker-tool-mwdt.h
@@ -21,16 +21,6 @@
 #define ASSERT(x, y)
 #define SUBALIGN(x) ALIGN(x)
 
-#define LOG2CEIL(x) ((((x) <= 2048) ? 11 : (((x) <= 4096)?12:(((x) <= 8192) ? \
-	13 : (((x) <= 16384) ? 14 : (((x) <= 32768) ? 15:(((x) <= 65536) ? \
-	16 : (((x) <= 131072) ? 17 : (((x) <= 262144) ? 18:(((x) <= 524288) ? \
-	19 : (((x) <= 1048576) ? 20 : (((x) <= 2097152) ? \
-	21 : (((x) <= 4194304) ? 22 : (((x) <= 8388608) ? \
-	23 : (((x) <= 16777216) ? 24 : (((x) <= 33554432) ? \
-	25 : (((x) <= 67108864) ? 26 : (((x) <= 134217728) ? \
-	27 : (((x) <= 268435456) ? 28 : (((x) <= 536870912) ? \
-	29 : (((x) <= 1073741824) ? 30 : (((x) <= 2147483648) ? \
-	31 : 32))))))))))))))))))))))
 /*
  * The GROUP_START() and GROUP_END() macros are used to define a group
  * of sections located in one memory area, such as RAM, ROM, etc.