diff --git a/src/lwip/cc13x2_26x2/lwipopts.h b/src/lwip/cc13x2_26x2/lwipopts.h
index 4c0d703603a5b4..387232e369c3ec 100644
--- a/src/lwip/cc13x2_26x2/lwipopts.h
+++ b/src/lwip/cc13x2_26x2/lwipopts.h
@@ -89,14 +89,8 @@
 #define MEMP_SEPARATE_POOLS (1)
 #define LWIP_PBUF_FROM_CUSTOM_POOLS (0)
 #define MEMP_USE_CUSTOM_POOLS (0)
-#define PBUF_POOL_SIZE (4)
-#define PBUF_POOL_BUFSIZE (1500)
-#define PBUF_POOL_SIZE_LARGE (1)
-#define PBUF_POOL_SIZE_MEDIUM (2)
-#define PBUF_POOL_SIZE_SMALL (2)
-#define PBUF_POOL_BUFSIZE_LARGE (1280)
-#define PBUF_POOL_BUFSIZE_MEDIUM (640)
-#define PBUF_POOL_BUFSIZE_SMALL (256)
+#define PBUF_POOL_SIZE (6)
+#define PBUF_POOL_BUFSIZE (1280)
 #define PBUF_CUSTOM_POOL_IDX_START (MEMP_PBUF_POOL_SMALL)
 #define PBUF_CUSTOM_POOL_IDX_END (MEMP_PBUF_POOL_LARGE)
 
diff --git a/src/lwip/efr32/lwipopts.h b/src/lwip/efr32/lwipopts.h
index 47a2d0621a3693..4a15143049ed1f 100644
--- a/src/lwip/efr32/lwipopts.h
+++ b/src/lwip/efr32/lwipopts.h
@@ -98,14 +98,8 @@
 #define MEMP_SEPARATE_POOLS (1)
 #define LWIP_PBUF_FROM_CUSTOM_POOLS (0)
 #define MEMP_USE_CUSTOM_POOLS (0)
-#define PBUF_POOL_SIZE (4)
-#define PBUF_POOL_BUFSIZE (1500)
-#define PBUF_POOL_SIZE_LARGE (1)
-#define PBUF_POOL_SIZE_MEDIUM (2)
-#define PBUF_POOL_SIZE_SMALL (2)
-#define PBUF_POOL_BUFSIZE_LARGE (1280)
-#define PBUF_POOL_BUFSIZE_MEDIUM (640)
-#define PBUF_POOL_BUFSIZE_SMALL (256)
+#define PBUF_POOL_SIZE (6)
+#define PBUF_POOL_BUFSIZE (1280)
 #define PBUF_CUSTOM_POOL_IDX_START (MEMP_PBUF_POOL_SMALL)
 #define PBUF_CUSTOM_POOL_IDX_END (MEMP_PBUF_POOL_LARGE)
 #else
@@ -113,13 +107,7 @@
 #define LWIP_PBUF_FROM_CUSTOM_POOLS (0)
 #define MEMP_USE_CUSTOM_POOLS (0)
 #define PBUF_POOL_SIZE (8)
-#define PBUF_POOL_BUFSIZE (1500)
-#define PBUF_POOL_SIZE_LARGE (3)
-#define PBUF_POOL_SIZE_MEDIUM (4)
-#define PBUF_POOL_SIZE_SMALL (5)
-#define PBUF_POOL_BUFSIZE_LARGE (1280)
-#define PBUF_POOL_BUFSIZE_MEDIUM (640)
-#define PBUF_POOL_BUFSIZE_SMALL (256)
+#define PBUF_POOL_BUFSIZE (1280)
 #define PBUF_CUSTOM_POOL_IDX_START (MEMP_PBUF_POOL_SMALL)
 #define PBUF_CUSTOM_POOL_IDX_END (MEMP_PBUF_POOL_LARGE)
 #endif
diff --git a/src/lwip/k32w/lwipopts.h b/src/lwip/k32w/lwipopts.h
index 046e9364e753ed..bb41df46c96e07 100644
--- a/src/lwip/k32w/lwipopts.h
+++ b/src/lwip/k32w/lwipopts.h
@@ -95,13 +95,7 @@
 #define LWIP_PBUF_FROM_CUSTOM_POOLS (0)
 #define MEMP_USE_CUSTOM_POOLS (0)
 #define PBUF_POOL_SIZE (8)
-#define PBUF_POOL_BUFSIZE (1500)
-#define PBUF_POOL_SIZE_LARGE (3)
-#define PBUF_POOL_SIZE_MEDIUM (4)
-#define PBUF_POOL_SIZE_SMALL (5)
-#define PBUF_POOL_BUFSIZE_LARGE (1280)
-#define PBUF_POOL_BUFSIZE_MEDIUM (640)
-#define PBUF_POOL_BUFSIZE_SMALL (256)
+#define PBUF_POOL_BUFSIZE (1280)
 #define PBUF_CUSTOM_POOL_IDX_START (MEMP_PBUF_POOL_SMALL)
 #define PBUF_CUSTOM_POOL_IDX_END (MEMP_PBUF_POOL_LARGE)
 
diff --git a/src/lwip/qpg6100/lwipopts.h b/src/lwip/qpg6100/lwipopts.h
index c3597d4ed0d064..13d971951dba89 100644
--- a/src/lwip/qpg6100/lwipopts.h
+++ b/src/lwip/qpg6100/lwipopts.h
@@ -89,14 +89,8 @@
 #define MEMP_SEPARATE_POOLS (1)
 #define LWIP_PBUF_FROM_CUSTOM_POOLS (0)
 #define MEMP_USE_CUSTOM_POOLS (0)
-#define PBUF_POOL_SIZE (4)
-#define PBUF_POOL_BUFSIZE (1500)
-#define PBUF_POOL_SIZE_LARGE (1)
-#define PBUF_POOL_SIZE_MEDIUM (2)
-#define PBUF_POOL_SIZE_SMALL (2)
-#define PBUF_POOL_BUFSIZE_LARGE (1280)
-#define PBUF_POOL_BUFSIZE_MEDIUM (640)
-#define PBUF_POOL_BUFSIZE_SMALL (256)
+#define PBUF_POOL_SIZE (6)
+#define PBUF_POOL_BUFSIZE (1280)
 #define PBUF_CUSTOM_POOL_IDX_START (MEMP_PBUF_POOL_SMALL)
 #define PBUF_CUSTOM_POOL_IDX_END (MEMP_PBUF_POOL_LARGE)