diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index 55d744359..7b7c2ef78 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -1,6 +1,4 @@
 /*
- * GK20A memory management
- *
  * Copyright (c) 2011-2018, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -129,8 +127,6 @@ void gk20a_mm_ltc_isr(struct gk20a *g);
 
 bool gk20a_mm_mmu_debug_mode_enabled(struct gk20a *g);
 
-int gk20a_mm_mmu_vpr_info_fetch(struct gk20a *g);
-
 int gk20a_alloc_inst_block(struct gk20a *g, struct nvgpu_mem *inst_block);
 void gk20a_init_inst_block(struct nvgpu_mem *inst_block, struct vm_gk20a *vm,
 		u32 big_page_size);
diff --git a/drivers/gpu/nvgpu/gm20b/mm_gm20b.h b/drivers/gpu/nvgpu/gm20b/mm_gm20b.h
index af67845a4..369fa1eb2 100644
--- a/drivers/gpu/nvgpu/gm20b/mm_gm20b.h
+++ b/drivers/gpu/nvgpu/gm20b/mm_gm20b.h
@@ -1,7 +1,5 @@
 /*
- * GM20B GMMU
- *
- * Copyright (c) 2014-2017, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2014-2018, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -35,7 +33,6 @@ u32 gm20b_mm_get_big_page_sizes(void);
 u32 gm20b_mm_get_default_big_page_size(void);
 bool gm20b_mm_support_sparse(struct gk20a *g);
 bool gm20b_mm_is_bar1_supported(struct gk20a *g);
-int gm20b_mm_mmu_vpr_info_fetch(struct gk20a *g);
 u64 gm20b_gpu_phys_addr(struct gk20a *g,
 			struct nvgpu_gmmu_attrs *attrs, u64 phys);
 u32 gm20b_get_kind_invalid(void);