diff --git a/micropython/board/PICO/manifest.py b/micropython/board/PICO/manifest.py
new file mode 100644
index 00000000..30ce0dd2
--- /dev/null
+++ b/micropython/board/PICO/manifest.py
@@ -0,0 +1,3 @@
+include("$(PORT_DIR)/boards/manifest.py")
+
+include("../manifest_pico.py")
\ No newline at end of file
diff --git a/micropython/board/PICO/mpconfigboard.cmake b/micropython/board/PICO/mpconfigboard.cmake
index 6512b7f3..4ec156b0 100644
--- a/micropython/board/PICO/mpconfigboard.cmake
+++ b/micropython/board/PICO/mpconfigboard.cmake
@@ -1,2 +1,6 @@
 # cmake file for Raspberry Pi Pico
+
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+
 set(MICROPY_C_HEAP_SIZE 4096)
\ No newline at end of file
diff --git a/micropython/board/PICO_W/manifest.py b/micropython/board/PICO_W/manifest.py
index e8f4e278..4a75556e 100644
--- a/micropython/board/PICO_W/manifest.py
+++ b/micropython/board/PICO_W/manifest.py
@@ -1,3 +1,5 @@
 include("$(PORT_DIR)/boards/manifest.py")
 
-require("bundle-networking")
\ No newline at end of file
+require("bundle-networking")
+
+include("../manifest_picow.py")
\ No newline at end of file
diff --git a/micropython/board/PICO_W_ENVIRO/manifest.py b/micropython/board/PICO_W_ENVIRO/manifest.py
index 59f779eb..c4c9c685 100644
--- a/micropython/board/PICO_W_ENVIRO/manifest.py
+++ b/micropython/board/PICO_W_ENVIRO/manifest.py
@@ -3,3 +3,6 @@ include("$(PORT_DIR)/boards/manifest.py")
 # https://github.com/micropython/micropython-lib/blob/master/micropython/bundles/bundle-networking/manifest.py
 require("bundle-networking")
 require("umqtt.simple")
+
+freeze("../../modules_py", "pimoroni.py")
+freeze("../../modules_py", "boot.py")
diff --git a/micropython/board/PICO_W_INKY/manifest.py b/micropython/board/PICO_W_INKY/manifest.py
index 571ec4ef..657bf9f9 100644
--- a/micropython/board/PICO_W_INKY/manifest.py
+++ b/micropython/board/PICO_W_INKY/manifest.py
@@ -3,4 +3,7 @@ include("$(PORT_DIR)/boards/manifest.py")
 # https://github.com/micropython/micropython-lib/blob/master/micropython/bundles/bundle-networking/manifest.py
 require("bundle-networking")
 require("urllib.urequest")
-require("umqtt.simple")
\ No newline at end of file
+require("umqtt.simple")
+
+freeze("../../modules_py", "pimoroni.py")
+freeze("../../modules_py", "boot.py")
\ No newline at end of file
diff --git a/micropython/board/PIMORONI_PICOLIPO_16MB/manifest.py b/micropython/board/PIMORONI_PICOLIPO_16MB/manifest.py
new file mode 100644
index 00000000..30ce0dd2
--- /dev/null
+++ b/micropython/board/PIMORONI_PICOLIPO_16MB/manifest.py
@@ -0,0 +1,3 @@
+include("$(PORT_DIR)/boards/manifest.py")
+
+include("../manifest_pico.py")
\ No newline at end of file
diff --git a/micropython/board/PIMORONI_PICOLIPO_16MB/mpconfigboard.cmake b/micropython/board/PIMORONI_PICOLIPO_16MB/mpconfigboard.cmake
index 92f79e52..8777c6ab 100644
--- a/micropython/board/PIMORONI_PICOLIPO_16MB/mpconfigboard.cmake
+++ b/micropython/board/PIMORONI_PICOLIPO_16MB/mpconfigboard.cmake
@@ -1,2 +1,6 @@
 # cmake file for Pimoroni Pico LiPo 16MB
+
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+
 set(MICROPY_C_HEAP_SIZE 4096)
diff --git a/micropython/board/PIMORONI_PICOLIPO_4MB/manifest.py b/micropython/board/PIMORONI_PICOLIPO_4MB/manifest.py
new file mode 100644
index 00000000..30ce0dd2
--- /dev/null
+++ b/micropython/board/PIMORONI_PICOLIPO_4MB/manifest.py
@@ -0,0 +1,3 @@
+include("$(PORT_DIR)/boards/manifest.py")
+
+include("../manifest_pico.py")
\ No newline at end of file
diff --git a/micropython/board/PIMORONI_PICOLIPO_4MB/mpconfigboard.cmake b/micropython/board/PIMORONI_PICOLIPO_4MB/mpconfigboard.cmake
index 5c2aa5c6..65fb6885 100644
--- a/micropython/board/PIMORONI_PICOLIPO_4MB/mpconfigboard.cmake
+++ b/micropython/board/PIMORONI_PICOLIPO_4MB/mpconfigboard.cmake
@@ -1,2 +1,6 @@
 # cmake file for Pimoroni Pico LiPo 4MB
+
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+
 set(MICROPY_C_HEAP_SIZE 4096)
diff --git a/micropython/board/PIMORONI_TINY2040/manifest.py b/micropython/board/PIMORONI_TINY2040/manifest.py
new file mode 100644
index 00000000..30ce0dd2
--- /dev/null
+++ b/micropython/board/PIMORONI_TINY2040/manifest.py
@@ -0,0 +1,3 @@
+include("$(PORT_DIR)/boards/manifest.py")
+
+include("../manifest_pico.py")
\ No newline at end of file
diff --git a/micropython/board/PIMORONI_TINY2040/mpconfigboard.cmake b/micropython/board/PIMORONI_TINY2040/mpconfigboard.cmake
index 7474782f..487923b2 100644
--- a/micropython/board/PIMORONI_TINY2040/mpconfigboard.cmake
+++ b/micropython/board/PIMORONI_TINY2040/mpconfigboard.cmake
@@ -1,2 +1,6 @@
 # cmake file for Pimoroni Tiny 2040
+
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+
 set(MICROPY_C_HEAP_SIZE 4096)
diff --git a/micropython/board/PIMORONI_TUFTY2040/manifest.py b/micropython/board/PIMORONI_TUFTY2040/manifest.py
new file mode 100644
index 00000000..570280a8
--- /dev/null
+++ b/micropython/board/PIMORONI_TUFTY2040/manifest.py
@@ -0,0 +1,4 @@
+include("$(PORT_DIR)/boards/manifest.py")
+
+freeze("../../modules_py", "pimoroni.py")
+freeze("../../modules_py", "boot.py")
\ No newline at end of file
diff --git a/micropython/board/PIMORONI_TUFTY2040/mpconfigboard.cmake b/micropython/board/PIMORONI_TUFTY2040/mpconfigboard.cmake
index 2268a6df..9c060733 100644
--- a/micropython/board/PIMORONI_TUFTY2040/mpconfigboard.cmake
+++ b/micropython/board/PIMORONI_TUFTY2040/mpconfigboard.cmake
@@ -4,4 +4,7 @@ set(PICO_BOARD "pimoroni_tufty2040")
 # Allow Pico SDK to locate "pimoroni_tufty2040.h" in this directory.
 list(APPEND PICO_BOARD_HEADER_DIRS "${CMAKE_CURRENT_LIST_DIR}")
 
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+
 set(MICROPY_C_HEAP_SIZE 4096)
\ No newline at end of file
diff --git a/micropython/board/manifest_pico.py b/micropython/board/manifest_pico.py
new file mode 100644
index 00000000..a01f7034
--- /dev/null
+++ b/micropython/board/manifest_pico.py
@@ -0,0 +1,5 @@
+freeze("../modules_py", "gfx_pack.py")
+freeze("../modules_py", "interstate75.py")
+
+freeze("../modules_py", "pimoroni.py")
+freeze("../modules_py", "boot.py")
\ No newline at end of file
diff --git a/micropython/board/manifest_picow.py b/micropython/board/manifest_picow.py
new file mode 100644
index 00000000..2ee55424
--- /dev/null
+++ b/micropython/board/manifest_picow.py
@@ -0,0 +1,7 @@
+freeze("../modules_py", "gfx_pack.py")
+freeze("../modules_py", "interstate75.py")
+freeze("../modules_py", "automation.py")
+freeze("../modules_py", "inventor.py")
+
+freeze("../modules_py", "pimoroni.py")
+freeze("../modules_py", "boot.py")
\ No newline at end of file
diff --git a/micropython/modules/micropython-common.cmake b/micropython/modules/micropython-common.cmake
index b83bc99a..d97ec6c9 100644
--- a/micropython/modules/micropython-common.cmake
+++ b/micropython/modules/micropython-common.cmake
@@ -41,12 +41,12 @@ endif()
 include(modules_py/modules_py)
 
 # Most board specific ports wont need all of these
-copy_module(gfx_pack.py)
-copy_module(interstate75.py)
-if(PICO_BOARD STREQUAL "pico_w")
-    copy_module(automation.py)
-    copy_module(inventor.py)
-endif()
+# copy_module(gfx_pack.py)
+# copy_module(interstate75.py)
+# if(PICO_BOARD STREQUAL "pico_w")
+#     copy_module(automation.py)
+#     copy_module(inventor.py)
+# endif()
 
 # Must call `enable_ulab()` to enable
 include(micropython-common-ulab)
\ No newline at end of file
diff --git a/micropython/modules_py/modules_py.cmake b/micropython/modules_py/modules_py.cmake
index 8ab1e43e..f0951441 100644
--- a/micropython/modules_py/modules_py.cmake
+++ b/micropython/modules_py/modules_py.cmake
@@ -33,5 +33,5 @@ target_link_libraries(usermod INTERFACE usermod_modules_py)
 genversion(version.py)
 
 # .py files to copy from modules_py to ports/rp2/modules
-copy_module(pimoroni.py)
-copy_module(boot.py)
+# copy_module(pimoroni.py)
+# copy_module(boot.py)