diff --git a/Cargo.toml b/Cargo.toml
index 61f9919b..478f74bc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -87,8 +87,6 @@ members = [
     "apis/sensors/proximity",
     "apis/sensors/temperature",
     "apis/storage/key_value",
-    "demos/st7789",
-    "demos/st7789-slint",
     "libraries/embedded_graphics_libtock",
     "panic_handlers/debug_panic",
     "panic_handlers/small_panic",
diff --git a/Makefile b/Makefile
index 09924900..32c1f94a 100644
--- a/Makefile
+++ b/Makefile
@@ -115,9 +115,6 @@ examples: toolchain
 EXCLUDE_RUNTIME := --exclude libtock --exclude libtock_runtime \
 	--exclude libtock_debug_panic --exclude libtock_small_panic --exclude embedded_graphics_libtock
 
-# Arguments to pass to cargo to exclude demo crates.
-EXCLUDE_RUNTIME := $(EXCLUDE_RUNTIME) --exclude st7789 --exclude st7789-slint
-
 # Arguments to pass to cargo to exclude crates that cannot be tested by Miri. In
 # addition to excluding libtock_runtime, Miri also cannot test proc macro crates
 # (and in fact will generate broken data that causes cargo test to fail).
@@ -138,8 +135,6 @@ test: examples
 		--target=thumbv7em-none-eabi --workspace
 	LIBTOCK_PLATFORM=hifive1 cargo clippy $(EXCLUDE_STD) \
 		--target=riscv32imac-unknown-none-elf --workspace
-	$(MAKE) apollo3-st7789
-	$(MAKE) apollo3-st7789-slint
 	cd nightly && \
 		MIRIFLAGS="-Zmiri-strict-provenance -Zmiri-symbolic-alignment-check" \
 		cargo miri test $(EXCLUDE_MIRI) --manifest-path=../Cargo.toml \
@@ -174,22 +169,6 @@ $(1): toolchain
 	mkdir -p target/tbf/$(1)
 	cp target/$(1)/$(2)/release/examples/$(EXAMPLE).{tab,tbf} \
 		target/tbf/$(1)
-
-.PHONY: $(1)-st7789
-$(1)-st7789: toolchain
-	cd demos/st7789 && LIBTOCK_PLATFORM=$(1) cargo run $(features) \
-		$(release) --target=$(2) --target-dir=target/$(1)
-	mkdir -p target/tbf/$(1)
-	cp demos/st7789/target/$(1)/$(2)/release/st7789.{tab,tbf} \
-		target/tbf/$(1)
-
-.PHONY: $(1)-st7789-slint
-$(1)-st7789-slint: toolchain
-	cd demos/st7789-slint && LIBTOCK_PLATFORM=$(1) cargo run $(features) \
-		$(release) --target=$(2) --target-dir=target/$(1)
-	mkdir -p target/tbf/$(1)
-	cp demos/st7789-slint/target/$(1)/$(2)/release/st7789-slint.{tab,tbf} \
-		target/tbf/$(1)
 endef
 
 # Creates the `make flash-<BOARD> EXAMPLE=<EXAMPLE>` targets. Arguments:
@@ -200,18 +179,6 @@ flash-$(1): toolchain
 	LIBTOCK_PLATFORM=$(1) cargo run --example $(EXAMPLE) $(features) \
 		$(release) --target=$(2) --target-dir=target/flash-$(1) -- \
 		--deploy=tockloader
-
-.PHONY: flash-$(1)-st7789
-flash-$(1)-st7789: toolchain
-	cd demos/st7789 && LIBTOCK_PLATFORM=$(1) cargo run $(features) \
-		$(release) --target=$(2) --target-dir=target/flash-$(1) -- \
-		--deploy=tockloader
-
-.PHONY: flash-$(1)-st7789-slint
-flash-$(1)-st7789-slint: toolchain
-	cd demos/st7789-slint && LIBTOCK_PLATFORM=$(1) cargo run $(features) \
-		$(release) --target=$(2) --target-dir=target/flash-$(1) -- \
-		--deploy=tockloader
 endef
 
 $(eval $(call platform_build,apollo3,thumbv7em-none-eabi))
@@ -246,6 +213,8 @@ $(eval $(call platform_flash,clue_nrf52840,thumbv7em-none-eabi))
 demos:
 	$(MAKE) -C demos/embedded_graphics/spin
 	$(MAKE) -C demos/embedded_graphics/buttons
+	$(MAKE) -C demos/st7789
+	$(MAKE) -C demos/st7789-slint
 
 # clean cannot safely be invoked concurrently with other actions, so we don't
 # need to depend on toolchain. We also manually remove the nightly toolchain's
diff --git a/demos/st7789-slint/Cargo.toml b/demos/st7789-slint/Cargo.toml
index 79be8592..17510ea2 100644
--- a/demos/st7789-slint/Cargo.toml
+++ b/demos/st7789-slint/Cargo.toml
@@ -2,7 +2,7 @@
 name = "st7789-slint"
 version = "0.1.0"
 edition = "2021"
-rust-version.workspace = true
+rust-version = "1.87"
 authors = ["Alistair Francis <alistair.francis@wdc.com>"]
 description = """A demo to use the Slint GUI library with a ST7789 display via SPI using libtock-rs."""
 license = "Apache-2.0 OR MIT"
@@ -29,3 +29,5 @@ display-interface = "0.5"
 libtock_build_scripts = { path = "../../build_scripts" }
 
 slint-build = { git = "https://github.com/slint-ui/slint" }
+
+[workspace]
diff --git a/demos/st7789-slint/Makefile b/demos/st7789-slint/Makefile
new file mode 100644
index 00000000..5104c035
--- /dev/null
+++ b/demos/st7789-slint/Makefile
@@ -0,0 +1,20 @@
+# Makefile for the demo app.
+
+# Crate name of the demo app
+DEMO := st7789-slint
+
+all: tab
+
+include ../../Targets.mk
+
+$(ELF_TARGETS):
+	LIBTOCK_LINKER_FLASH=$(F) LIBTOCK_LINKER_RAM=$(R) cargo build --target=$(T) --release
+	@mkdir -p target/$(A).$(F).$(R)/
+	@cp target/$(T)/release/$(DEMO) target/$(A).$(F).$(R)/
+	$(eval ELF_LIST += target/$(A).$(F).$(R)/$(DEMO),$(A).$(F).$(R))
+
+# This target (`make tab`) is not parallel-safe
+.PHONY: tab
+tab: $(ELF_TARGETS)
+	@mkdir -p target/tab
+	elf2tab --kernel-major 2 --kernel-minor 1 -n $(DEMO) -o target/tab/$(DEMO).tab --stack 1024 --minimum-footer-size 256 $(ELF_LIST)
diff --git a/demos/st7789/Cargo.toml b/demos/st7789/Cargo.toml
index e75a5471..d1fac957 100644
--- a/demos/st7789/Cargo.toml
+++ b/demos/st7789/Cargo.toml
@@ -2,7 +2,7 @@
 name = "st7789"
 version = "0.1.0"
 edition = "2021"
-rust-version.workspace = true
+rust-version = "1.87"
 authors = ["Alistair Francis <alistair.francis@wdc.com>"]
 description = """A demo to drive a ST7789 display via SPI using libtock-rs."""
 license = "Apache-2.0 OR MIT"
@@ -18,3 +18,5 @@ embedded-graphics = "0.8"
 
 [build-dependencies]
 libtock_build_scripts = { path = "../../build_scripts" }
+
+[workspace]
diff --git a/demos/st7789/Makefile b/demos/st7789/Makefile
new file mode 100644
index 00000000..c3a13cd8
--- /dev/null
+++ b/demos/st7789/Makefile
@@ -0,0 +1,20 @@
+# Makefile for the demo app.
+
+# Crate name of the demo app
+DEMO := st7789
+
+all: tab
+
+include ../../Targets.mk
+
+$(ELF_TARGETS):
+	LIBTOCK_LINKER_FLASH=$(F) LIBTOCK_LINKER_RAM=$(R) cargo build --target=$(T) --release
+	@mkdir -p target/$(A).$(F).$(R)/
+	@cp target/$(T)/release/$(DEMO) target/$(A).$(F).$(R)/
+	$(eval ELF_LIST += target/$(A).$(F).$(R)/$(DEMO),$(A).$(F).$(R))
+
+# This target (`make tab`) is not parallel-safe
+.PHONY: tab
+tab: $(ELF_TARGETS)
+	@mkdir -p target/tab
+	elf2tab --kernel-major 2 --kernel-minor 1 -n $(DEMO) -o target/tab/$(DEMO).tab --stack 1024 --minimum-footer-size 256 $(ELF_LIST)