diff --git a/ports/cortex_r4/gnu/inc/ux_port.h b/ports/cortex_r4/gnu/inc/ux_port.h
index f5657ae8..1e1067e9 100644
--- a/ports/cortex_r4/gnu/inc/ux_port.h
+++ b/ports/cortex_r4/gnu/inc/ux_port.h
@@ -217,9 +217,6 @@ typedef LONG                        SLONG;
 #define UX_SLAVE_REQUEST_DATA_MAX_LENGTH                    4096
 #endif
 
-#ifndef UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT
-#define UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT          8
-#endif
 
 #ifndef UX_USE_IO_INSTRUCTIONS
 
diff --git a/ports/cortex_r4/iar/inc/ux_port.h b/ports/cortex_r4/iar/inc/ux_port.h
index ecefdd79..3f2cd2e6 100644
--- a/ports/cortex_r4/iar/inc/ux_port.h
+++ b/ports/cortex_r4/iar/inc/ux_port.h
@@ -217,10 +217,6 @@ typedef LONG                        SLONG;
 #define UX_SLAVE_REQUEST_DATA_MAX_LENGTH                    4096
 #endif
 
-#ifndef UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT
-#define UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT          8
-#endif
-
 #ifndef UX_USE_IO_INSTRUCTIONS
 
 /* Don't use IO instructions if this define is not set.  Default to memory mapped.  */
diff --git a/ports/cortex_r5/gnu/inc/ux_port.h b/ports/cortex_r5/gnu/inc/ux_port.h
index b72baa3f..6da10b7a 100644
--- a/ports/cortex_r5/gnu/inc/ux_port.h
+++ b/ports/cortex_r5/gnu/inc/ux_port.h
@@ -217,10 +217,6 @@ typedef LONG                        SLONG;
 #define UX_SLAVE_REQUEST_DATA_MAX_LENGTH                    4096
 #endif
 
-#ifndef UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT
-#define UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT          8
-#endif
-
 #ifndef UX_USE_IO_INSTRUCTIONS
 
 /* Don't use IO instructions if this define is not set.  Default to memory mapped.  */
diff --git a/ports/cortex_r5/iar/inc/ux_port.h b/ports/cortex_r5/iar/inc/ux_port.h
index 42a50226..e6c6a7c8 100644
--- a/ports/cortex_r5/iar/inc/ux_port.h
+++ b/ports/cortex_r5/iar/inc/ux_port.h
@@ -217,10 +217,6 @@ typedef LONG                        SLONG;
 #define UX_SLAVE_REQUEST_DATA_MAX_LENGTH                    4096
 #endif
 
-#ifndef UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT
-#define UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT          8
-#endif
-
 #ifndef UX_USE_IO_INSTRUCTIONS
 
 /* Don't use IO instructions if this define is not set.  Default to memory mapped.  */
diff --git a/ports/linux/gnu/inc/ux_port.h b/ports/linux/gnu/inc/ux_port.h
index a2405068..406c35fb 100644
--- a/ports/linux/gnu/inc/ux_port.h
+++ b/ports/linux/gnu/inc/ux_port.h
@@ -223,10 +223,6 @@ typedef LONG                        SLONG;
 #define UX_SLAVE_REQUEST_DATA_MAX_LENGTH                    4096
 #endif
 
-#ifndef UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT
-#define UX_HOST_CLASS_STORAGE_MAX_PARTITIONS_COUNT          8
-#endif
-
 #ifndef UX_USE_IO_INSTRUCTIONS
 
 /* Don't use IO instructions if this define is not set.  Default to memory mapped.  */