diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index cc63c3b83..0c3e8039e 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -796,12 +796,6 @@ int gk20a_init_fifo_reset_enable_hw(struct gk20a *g)
 		g->ops.clock_gating.blcg_fifo_load_gating_prod(g,
 				g->blcg_enabled);
 
-	/* enable pbdma */
-	mask = 0;
-	for (i = 0; i < host_num_pbdma; ++i)
-		mask |= mc_enable_pb_sel_f(mc_enable_pb_0_enabled_v(), i);
-	gk20a_writel(g, mc_enable_pb_r(), mask);
-
 	timeout = gk20a_readl(g, fifo_fb_timeout_r());
 	timeout = set_field(timeout, fifo_fb_timeout_period_m(),
 			fifo_fb_timeout_period_max_f());
diff --git a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
index 932e76266..b374e5173 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
@@ -1171,13 +1171,6 @@ int gv11b_init_fifo_reset_enable_hw(struct gk20a *g)
 		g->ops.clock_gating.blcg_fifo_load_gating_prod(g,
 				g->blcg_enabled);
 
-	/* enable pbdma */
-	mask = 0;
-	for (i = 0; i < host_num_pbdma; ++i)
-		mask |= mc_enable_pb_sel_f(mc_enable_pb_0_enabled_v(), i);
-	gk20a_writel(g, mc_enable_pb_r(), mask);
-
-
 	timeout = gk20a_readl(g, fifo_fb_timeout_r());
 	nvgpu_log_info(g, "fifo_fb_timeout reg val = 0x%08x", timeout);
 	if (!nvgpu_platform_is_silicon(g)) {