diff --git a/iot_sim/Kbuild b/iot_sim/Kbuild
index 7ef7eebb36..7fe9231550 100644
--- a/iot_sim/Kbuild
+++ b/iot_sim/Kbuild
@@ -117,7 +117,11 @@ INCS += -I$(obj)/$(DEPTH)/cmn_dev/iot_sim/dispatcher/inc
 
 obj-m += qca_iot_sim.o
 
-ccflags-y+= $(INCS) $(COPTS)
+inc_file := $(obj)/$(DEPTH)/iot_inc_opts
+inc_var := $(shell echo $(INCS) > $(inc_file))
+var := "@$(inc_file)"
+
+ccflags-y+= $(var) $(COPTS)
 
 ifeq ($(strip ${QCA_PARTNER_MAKE_F_SUPPORT}),1)
 MOD_CFLAGS = -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(qca_iot_sim.mod)"  -D"KBUILD_MODNAME=KBUILD_STR(qca_iot_sim)"
diff --git a/qdf/Kbuild b/qdf/Kbuild
index 4aab869577..eff6b2aa69 100644
--- a/qdf/Kbuild
+++ b/qdf/Kbuild
@@ -31,7 +31,11 @@ INCS += -I$(obj)/$(HOST_CMN_CONVG_PTT)/inc \
 
 obj-m += qdf.o
 
-EXTRA_CFLAGS+= $(INCS) $(COPTS) -Wno-unused-function
+inc_file := $(obj)/$(DEPTH)/qdf_inc_opts
+inc_var := $(shell echo $(INCS) > $(inc_file))
+var := "@$(inc_file)"
+
+EXTRA_CFLAGS+= $(var) $(COPTS) -Wno-unused-function
 
 ifeq ($(strip ${QCA_PARTNER_MAKE_F_SUPPORT}),1)
 MOD_CFLAGS = -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(qdf.mod)"  -D"KBUILD_MODNAME=KBUILD_STR(qdf)"
diff --git a/spectral/Kbuild b/spectral/Kbuild
index a86cb3de8d..f31cb0e3fc 100644
--- a/spectral/Kbuild
+++ b/spectral/Kbuild
@@ -197,14 +197,19 @@ endif
 
 obj-m += qca_spectral.o
 
-ccflags-y+= $(INCS) $(COPTS) -DSPECTRAL_USE_NETLINK_SOCKETS=1 -DWLAN_SPECTRAL_ENABLE=1
+INCS += -I$(obj)/$(DEPTH)/spectral/dispatcher/inc
+
+inc_file := $(obj)/$(DEPTH)/spectral_inc_opts
+inc_var := $(shell echo $(INCS) > $(inc_file))
+var := "@$(inc_file)"
+
+ccflags-y+= $(var) $(COPTS) -DSPECTRAL_USE_NETLINK_SOCKETS=1 -DWLAN_SPECTRAL_ENABLE=1
 ccflags-y+= -DSPECTRAL_USE_NL_BCAST=1
 
 ifeq ($(strip ${QCA_PARTNER_MAKE_F_SUPPORT}),1)
 MOD_CFLAGS = -D"KBUILD_STR(s)=\#s" -D"KBUILD_BASENAME=KBUILD_STR(qca_spectral.mod)"  -D"KBUILD_MODNAME=KBUILD_STR(qca_spectral)"
 endif
 
-INCS += -I$(obj)/$(DEPTH)/spectral/dispatcher/inc
 
 SPECTRAL_TIF_OBJS +=  $(DEPTH)/cmn_dev/target_if/spectral/target_if_spectral.o \
                       $(DEPTH)/cmn_dev/target_if/spectral/target_if_spectral_netlink.o \