diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t0.j2 b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t0.j2
index 29bb64904e6c..5ecbe788e3ab 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t0.j2
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t0.j2
@@ -26,13 +26,13 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
-            "size": "66800476",
+            "size": "66394076",
             "type": "ingress",
             "mode": "dynamic",
             "xoff": "8644128"
         },
         "egress_lossless_pool": {
-            "size": "66800476",
+            "size": "55921148",
             "type": "egress",
             "mode": "static"
         }
@@ -41,7 +41,7 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"66800476"
+            "static_th":"66394076"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t1.j2 b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t1.j2
index 29bb64904e6c..5ecbe788e3ab 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t1.j2
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t1.j2
@@ -26,13 +26,13 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
-            "size": "66800476",
+            "size": "66394076",
             "type": "ingress",
             "mode": "dynamic",
             "xoff": "8644128"
         },
         "egress_lossless_pool": {
-            "size": "66800476",
+            "size": "55921148",
             "type": "egress",
             "mode": "static"
         }
@@ -41,7 +41,7 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"66800476"
+            "static_th":"66394076"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm
index caab3df1ef78..1a41367d9410 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/th3-z9332f-16x400G-64x100G.config.bcm
@@ -31,7 +31,6 @@ max_vp_lags.0=0
 tdma_intr_enable=1
 tdma_timeout_usec.0=5000000
 parity_correction.0=1
-mmu_lossless.0=0
 bcm_num_cos=10
 default_cpu_tx_queue=7
 pktdma_poll_mode_channel_bitmap=1
diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t0.j2 b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t0.j2
index 94a40d257f6c..7254e841d8b4 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t0.j2
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t0.j2
@@ -10,13 +10,13 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
-            "size": "66435732",
+            "size": "66394076",
             "type": "ingress",
             "mode": "dynamic",
-            "xoff": "27400374"
+            "xoff": "27200352"
         },
         "egress_lossless_pool": {
-            "size": "66435732",
+            "size": "38462204",
             "type": "egress",
             "mode": "static"
         }
@@ -25,7 +25,7 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"66435732"
+            "static_th":"66394076"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t1.j2 b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t1.j2
index 94a40d257f6c..7254e841d8b4 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t1.j2
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/buffers_defaults_t1.j2
@@ -10,13 +10,13 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
-            "size": "66435732",
+            "size": "66394076",
             "type": "ingress",
             "mode": "dynamic",
-            "xoff": "27400374"
+            "xoff": "27200352"
         },
         "egress_lossless_pool": {
-            "size": "66435732",
+            "size": "38462204",
             "type": "egress",
             "mode": "static"
         }
@@ -25,7 +25,7 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"66435732"
+            "static_th":"66394076"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
diff --git a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm
index 1376e610b220..a189a8b1731f 100644
--- a/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm
+++ b/device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-O32/th3-z9332f-32x400G.config.bcm
@@ -31,7 +31,6 @@ max_vp_lags.0=0
 tdma_intr_enable=1
 tdma_timeout_usec.0=5000000
 parity_correction.0=1
-mmu_lossless.0=0
 bcm_num_cos=10
 default_cpu_tx_queue=7
 pktdma_poll_mode_channel_bitmap=1