diff --git a/drivers/gpu/host1x-fence/Makefile b/drivers/gpu/host1x-fence/Makefile
index fc1dbc5a..4f15cabb 100644
--- a/drivers/gpu/host1x-fence/Makefile
+++ b/drivers/gpu/host1x-fence/Makefile
@@ -1,13 +1,8 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2022-2023, NVIDIA CORPORATION.  All rights reserved.
 #
 # Tegra Host1x-fence Driver.
-#
-# Copyright (c) 2022, NVIDIA CORPORATION.  All rights reserved.
-#
 
-ccflags-y += -I$(srctree.nvidia)/include
-ccflags-y += -I$(srctree.nvidia)/include/uapi/linux
-ccflags-y += -I$(srctree.nvidia)/drivers/gpu/host1x/include
 ccflags-y += -DCONFIG_TEGRA_HOST1X
 ccflags-y += -Werror
 
diff --git a/drivers/gpu/host1x-nvhost/Makefile b/drivers/gpu/host1x-nvhost/Makefile
index 48bd9441..9cab78f0 100644
--- a/drivers/gpu/host1x-nvhost/Makefile
+++ b/drivers/gpu/host1x-nvhost/Makefile
@@ -1,13 +1,8 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2022-2023, NVIDIA CORPORATION.  All rights reserved.
 #
 # Tegra Host1x-Nvhost Driver.
-#
-# Copyright (c) 2022, NVIDIA CORPORATION.  All rights reserved.
-#
 
-ccflags-y += -I$(srctree.nvidia)/include
-ccflags-y += -I$(srctree.nvidia)/include/uapi/linux
-ccflags-y += -I$(srctree.nvidia)/drivers/gpu/host1x/include
 ccflags-y += -DCONFIG_TEGRA_HOST1X
 ccflags-y += -Werror
 
diff --git a/drivers/gpu/host1x/Makefile b/drivers/gpu/host1x/Makefile
index affedf2c..07026c55 100644
--- a/drivers/gpu/host1x/Makefile
+++ b/drivers/gpu/host1x/Makefile
@@ -1,8 +1,5 @@
-# SPDX-License-Identifier: GPL-2.0
-
-srctree.host1x := $(shell dirname $(abspath $(lastword $(MAKEFILE_LIST))))
-
-ccflags-y := -I$(srctree.host1x)/include
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2022-2023, NVIDIA CORPORATION.  All rights reserved.
 
 host1x-next-y = \
 	bus.o \