diff --git a/examples/rp2040_local_i2c_init/.cargo/config.toml b/examples/rp2040_local_i2c_init/.cargo/config.toml
index c6e086aa50..5dd2d735d5 100644
--- a/examples/rp2040_local_i2c_init/.cargo/config.toml
+++ b/examples/rp2040_local_i2c_init/.cargo/config.toml
@@ -38,8 +38,3 @@ target = "thumbv6m-none-eabi"        # Cortex-M0 and Cortex-M0+
 # target = "thumbv8m.base-none-eabi"   # Cortex-M23
 # target = "thumbv8m.main-none-eabi"   # Cortex-M33 (no FPU)
 # target = "thumbv8m.main-none-eabihf" # Cortex-M33 (with FPU)
-
-# thumbv7m-none-eabi is not coming with core and alloc, compile myself
-[unstable]
-mtime-on-use = true
-build-std = ["core", "alloc"]
diff --git a/examples/rp2040_local_i2c_init/Cargo.lock b/examples/rp2040_local_i2c_init/Cargo.lock
index db8191608a..c2962d402c 100644
--- a/examples/rp2040_local_i2c_init/Cargo.lock
+++ b/examples/rp2040_local_i2c_init/Cargo.lock
@@ -433,7 +433,7 @@ dependencies = [
 
 [[package]]
 name = "rtic-monotonics"
-version = "1.0.0-alpha.1"
+version = "1.0.0-alpha.2"
 dependencies = [
  "atomic-polyfill",
  "cfg-if",
diff --git a/examples/stm32f3_blinky/.cargo/config.toml b/examples/stm32f3_blinky/.cargo/config.toml
index 05a5069a70..bca7d2ddf3 100644
--- a/examples/stm32f3_blinky/.cargo/config.toml
+++ b/examples/stm32f3_blinky/.cargo/config.toml
@@ -38,8 +38,3 @@ target = "thumbv7m-none-eabi"        # Cortex-M3
 # target = "thumbv8m.base-none-eabi"   # Cortex-M23
 # target = "thumbv8m.main-none-eabi"   # Cortex-M33 (no FPU)
 # target = "thumbv8m.main-none-eabihf" # Cortex-M33 (with FPU)
-
-# thumbv7m-none-eabi is not coming with core and alloc, compile myself
-[unstable]
-mtime-on-use = true
-build-std = ["core", "alloc"]
diff --git a/examples/stm32f3_blinky/Cargo.lock b/examples/stm32f3_blinky/Cargo.lock
index 48b520be0b..6f97becc21 100644
--- a/examples/stm32f3_blinky/Cargo.lock
+++ b/examples/stm32f3_blinky/Cargo.lock
@@ -455,7 +455,7 @@ dependencies = [
 
 [[package]]
 name = "rtic-monotonics"
-version = "1.0.0-alpha.1"
+version = "1.0.0-alpha.2"
 dependencies = [
  "atomic-polyfill",
  "cfg-if",