Index: kernel/Makefile
===================================================================
--- kernel/Makefile	(revision d9faae914207b40d4451fcb520ca187b3b8558bf)
+++ kernel/Makefile	(revision d510ac01958d4700bf385efabc80c465fb7baaa1)
@@ -103,8 +103,4 @@
 	-Werror-implicit-function-declaration -wd170
 
-SUNCC_CFLAGS = -I$(INCLUDES) -xO$(OPTIMIZATION) \
-	-xnolib -xc99=all -features=extensions \
-	-erroff=E_ZERO_SIZED_STRUCT_UNION
-
 CLANG_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
 	-fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
@@ -126,5 +122,4 @@
 	GCC_CFLAGS += -g
 	ICC_CFLAGS += -g
-	SUNCC_CFLAGS += -g
 	CLANG_CFLAGS += -g
 endif
@@ -180,11 +175,4 @@
 	CFLAGS = $(ICC_CFLAGS)
 	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
-	INSTRUMENTATION =
-endif
-
-ifeq ($(COMPILER),suncc)
-	CFLAGS = $(SUNCC_CFLAGS)
-	DEFS += $(CONFIG_DEFS)
-	DEPEND_DEFS = $(DEFS)
 	INSTRUMENTATION =
 endif