diff --git a/core/embed/trezorhal/i2c.h b/core/embed/trezorhal/i2c.h
new file mode 100644
index 0000000000..5498604398
--- /dev/null
+++ b/core/embed/trezorhal/i2c.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the Trezor project, https://trezor.io/
+ *
+ * Copyright (c) SatoshiLabs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TREZORHAL_I2C_H
+#define TREZORHAL_I2C_H
+
+#include STM32_HAL_H
+
+void i2c_init(void);
+void i2c_cycle(uint16_t idx);
+HAL_StatusTypeDef i2c_transmit(uint16_t idx, uint8_t addr, uint8_t *data,
+                               uint16_t len, uint32_t timeout);
+HAL_StatusTypeDef i2c_receive(uint16_t idx, uint8_t addr, uint8_t *data,
+                              uint16_t len, uint32_t timeout);
+HAL_StatusTypeDef i2c_mem_write(uint16_t idx, uint8_t addr, uint16_t mem_addr,
+                                uint16_t mem_addr_size, uint8_t *data,
+                                uint16_t len, uint32_t timeout);
+HAL_StatusTypeDef i2c_mem_read(uint16_t idx, uint8_t addr, uint16_t mem_addr,
+                               uint16_t mem_addr_size, uint8_t *data,
+                               uint16_t len, uint32_t timeout);
+
+#endif  // TREZORHAL_I2C_H
diff --git a/core/embed/trezorhal/stm32f4/i2c.h b/core/embed/trezorhal/stm32f4/i2c.h
deleted file mode 100644
index cb0eec852e..0000000000
--- a/core/embed/trezorhal/stm32f4/i2c.h
+++ /dev/null
@@ -1,15 +0,0 @@
-
-#include STM32_HAL_H
-
-void i2c_init(void);
-void i2c_cycle(uint16_t idx);
-HAL_StatusTypeDef i2c_transmit(uint16_t idx, uint8_t addr, uint8_t *data,
-                               uint16_t len, uint32_t timeout);
-HAL_StatusTypeDef i2c_receive(uint16_t idx, uint8_t addr, uint8_t *data,
-                              uint16_t len, uint32_t timeout);
-HAL_StatusTypeDef i2c_mem_write(uint16_t idx, uint8_t addr, uint16_t mem_addr,
-                                uint16_t mem_addr_size, uint8_t *data,
-                                uint16_t len, uint32_t timeout);
-HAL_StatusTypeDef i2c_mem_read(uint16_t idx, uint8_t addr, uint16_t mem_addr,
-                               uint16_t mem_addr_size, uint8_t *data,
-                               uint16_t len, uint32_t timeout);
diff --git a/core/embed/trezorhal/stm32u5/i2c.h b/core/embed/trezorhal/stm32u5/i2c.h
deleted file mode 120000
index d9235cabc4..0000000000
--- a/core/embed/trezorhal/stm32u5/i2c.h
+++ /dev/null
@@ -1 +0,0 @@
-../stm32f4/i2c.h
\ No newline at end of file