diff --git a/core/SConscript.firmware b/core/SConscript.firmware
index 244f6a01eb..006086e0c7 100644
--- a/core/SConscript.firmware
+++ b/core/SConscript.firmware
@@ -28,7 +28,7 @@ FEATURE_FLAGS = {
     "AES_GCM": BENCHMARK or THP,
 }
 
-FEATURES_WANTED = ["input", "sbu", "sd_card", "rgb_led", "dma2d", "consumption_mask", "usb" ,"optiga", "haptic"]
+FEATURES_WANTED = ["input", "sd_card", "rgb_led", "dma2d", "consumption_mask", "usb" ,"optiga", "haptic"]
 if DISABLE_OPTIGA and PYOPT == '0':
     FEATURES_WANTED.remove("optiga")
 
diff --git a/core/SConscript.kernel b/core/SConscript.kernel
index 3a6a6654b0..51d625fa1e 100644
--- a/core/SConscript.kernel
+++ b/core/SConscript.kernel
@@ -23,7 +23,7 @@ FEATURE_FLAGS = {
     "AES_GCM": False,
 }
 
-FEATURES_WANTED = ["input", "sbu", "sd_card", "rgb_led", "dma2d", "consumption_mask", "usb" ,"optiga", "haptic"]
+FEATURES_WANTED = ["input", "sd_card", "rgb_led", "dma2d", "consumption_mask", "usb" ,"optiga", "haptic"]
 if DISABLE_OPTIGA and PYOPT == '0':
     FEATURES_WANTED.remove("optiga")
 
diff --git a/core/SConscript.unix b/core/SConscript.unix
index b6304ff787..d872d770b3 100644
--- a/core/SConscript.unix
+++ b/core/SConscript.unix
@@ -20,7 +20,7 @@ if BENCHMARK and PYOPT != '0':
   print("BENCHMARK=1 works only with PYOPT=0.")
   exit(1)
 
-FEATURES_WANTED = ["input", "sd_card", "dma2d", "optiga", "sbu"]
+FEATURES_WANTED = ["input", "sd_card", "dma2d", "optiga"]
 
 if not models.has_emulator(TREZOR_MODEL):
     # skip unix build
diff --git a/core/embed/io/sbu/stm32/sbu.c b/core/embed/io/sbu/stm32/sbu.c
index 3c22f3a455..1b6674dc59 100644
--- a/core/embed/io/sbu/stm32/sbu.c
+++ b/core/embed/io/sbu/stm32/sbu.c
@@ -24,23 +24,27 @@
 #if KERNEL_MODE
 
 void sbu_init(void) {
-  GPIO_InitTypeDef GPIO_InitStructure = {0};
+  SBU_1_CLK_ENA();
+  SBU_2_CLK_ENA();
 
-  // SBU1/PA2 SBU2/PA3
-  GPIO_InitStructure.Pin = GPIO_PIN_2 | GPIO_PIN_3;
+  HAL_GPIO_WritePin(SBU_1_PORT, SBU_1_PIN, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(SBU_2_PORT, SBU_2_PIN, GPIO_PIN_RESET);
+
+  GPIO_InitTypeDef GPIO_InitStructure = {0};
   GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStructure.Pull = GPIO_NOPULL;
-  GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
-  HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
+  GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
 
-  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_RESET);
-  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3, GPIO_PIN_RESET);
+  GPIO_InitStructure.Pin = SBU_1_PIN;
+  HAL_GPIO_Init(SBU_1_PORT, &GPIO_InitStructure);
+  GPIO_InitStructure.Pin = SBU_2_PIN;
+  HAL_GPIO_Init(SBU_2_PORT, &GPIO_InitStructure);
 }
 
 void sbu_set(secbool sbu1, secbool sbu2) {
-  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2,
+  HAL_GPIO_WritePin(SBU_1_PORT, SBU_1_PIN,
                     sbu1 == sectrue ? GPIO_PIN_SET : GPIO_PIN_RESET);
-  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3,
+  HAL_GPIO_WritePin(SBU_2_PORT, SBU_2_PIN,
                     sbu2 == sectrue ? GPIO_PIN_SET : GPIO_PIN_RESET);
 }
 
diff --git a/core/embed/models/T2B1/boards/trezor_r_v10.h b/core/embed/models/T2B1/boards/trezor_r_v10.h
index d8cfe01c5a..aabeed13ca 100644
--- a/core/embed/models/T2B1/boards/trezor_r_v10.h
+++ b/core/embed/models/T2B1/boards/trezor_r_v10.h
@@ -52,4 +52,11 @@
 #define OPTIGA_RST_PIN GPIO_PIN_9
 #define OPTIGA_RST_CLK_EN __HAL_RCC_GPIOD_CLK_ENABLE
 
+#define SBU_1_PIN GPIO_PIN_2
+#define SBU_1_PORT GPIOA
+#define SBU_1_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+#define SBU_2_PIN GPIO_PIN_3
+#define SBU_2_PORT GPIOA
+#define SBU_2_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+
 #endif  //_TREZOR_R_V10_H
diff --git a/core/embed/models/T2T1/boards/trezor_t.h b/core/embed/models/T2T1/boards/trezor_t.h
index ed8a5e2a03..3435424f26 100644
--- a/core/embed/models/T2T1/boards/trezor_t.h
+++ b/core/embed/models/T2T1/boards/trezor_t.h
@@ -52,4 +52,11 @@
 #define SD_ENABLE_PORT GPIOC
 #define SD_ENABLE_PIN GPIO_PIN_0
 
+#define SBU_1_PIN GPIO_PIN_2
+#define SBU_1_PORT GPIOA
+#define SBU_1_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+#define SBU_2_PIN GPIO_PIN_3
+#define SBU_2_PORT GPIOA
+#define SBU_2_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+
 #endif  //_TREZOR_T_H
diff --git a/core/embed/models/T3B1/boards/trezor_t3b1_revB.h b/core/embed/models/T3B1/boards/trezor_t3b1_revB.h
index 31b63b6bc0..85b5774a17 100644
--- a/core/embed/models/T3B1/boards/trezor_t3b1_revB.h
+++ b/core/embed/models/T3B1/boards/trezor_t3b1_revB.h
@@ -54,4 +54,11 @@
 #define OPTIGA_RST_PIN GPIO_PIN_13
 #define OPTIGA_RST_CLK_EN __HAL_RCC_GPIOE_CLK_ENABLE
 
+#define SBU_1_PIN GPIO_PIN_2
+#define SBU_1_PORT GPIOA
+#define SBU_1_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+#define SBU_2_PIN GPIO_PIN_3
+#define SBU_2_PORT GPIOA
+#define SBU_2_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+
 #endif  //_TREZOR_T3B1_H
diff --git a/core/embed/models/T3T1/boards/trezor_t3t1_revE.h b/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
index 480b88247e..ebae58b5f3 100644
--- a/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
+++ b/core/embed/models/T3T1/boards/trezor_t3t1_revE.h
@@ -104,4 +104,11 @@
 #define SD_ENABLE_PORT GPIOC
 #define SD_ENABLE_PIN GPIO_PIN_3
 
+#define SBU_1_PIN GPIO_PIN_2
+#define SBU_1_PORT GPIOA
+#define SBU_1_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+#define SBU_2_PIN GPIO_PIN_3
+#define SBU_2_PORT GPIOA
+#define SBU_2_CLK_ENA __HAL_RCC_GPIOA_CLK_ENABLE
+
 #endif  //_TREZOR_T_H
diff --git a/core/embed/models/T3W1/boards/trezor_t3w1_revA.h b/core/embed/models/T3W1/boards/trezor_t3w1_revA.h
index 4f87273d77..854a4b335f 100644
--- a/core/embed/models/T3W1/boards/trezor_t3w1_revA.h
+++ b/core/embed/models/T3W1/boards/trezor_t3w1_revA.h
@@ -101,4 +101,11 @@
 #define TOUCH_INT_PORT GPIOC
 #define TOUCH_INT_PIN GPIO_PIN_3
 
+#define SBU_1_PIN GPIO_PIN_8
+#define SBU_1_PORT GPIOC
+#define SBU_1_CLK_ENA __HAL_RCC_GPIOC_CLK_ENABLE
+#define SBU_2_PIN GPIO_PIN_9
+#define SBU_2_PORT GPIOC
+#define SBU_2_CLK_ENA __HAL_RCC_GPIOC_CLK_ENABLE
+
 #endif  // TREZOR_T3W1_REVA_H_