diff --git a/arch/xtensa/src/esp32/esp32_imm.c b/arch/xtensa/src/esp32/esp32_imm.c
index 8760179a97a..24077f64ecd 100644
--- a/arch/xtensa/src/esp32/esp32_imm.c
+++ b/arch/xtensa/src/esp32/esp32_imm.c
@@ -38,6 +38,10 @@
 
 struct mm_heap_s g_iheap;
 
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
 /****************************************************************************
  * Name: up_imm_initialize
  *
diff --git a/arch/xtensa/src/esp32/esp32_spiflash.c b/arch/xtensa/src/esp32/esp32_spiflash.c
index 8dd8493d6e3..578617f9f02 100644
--- a/arch/xtensa/src/esp32/esp32_spiflash.c
+++ b/arch/xtensa/src/esp32/esp32_spiflash.c
@@ -341,7 +341,7 @@ static inline irqstate_t IRAM_ATTR esp32_spiflash_opstart(
 #ifdef CONFIG_SMP
   int other;
 #endif
- 
+
   flags = enter_critical_section();
 
   *cpu = up_cpu_index();
diff --git a/boards/xtensa/esp32/esp32-core/src/esp32_bringup.c b/boards/xtensa/esp32/esp32-core/src/esp32_bringup.c
index 7fb25770eb9..c2847b6c37a 100644
--- a/boards/xtensa/esp32/esp32-core/src/esp32_bringup.c
+++ b/boards/xtensa/esp32/esp32-core/src/esp32_bringup.c
@@ -161,7 +161,6 @@ int esp32_bringup(void)
     }
 #endif
 
-
 #ifdef CONFIG_MMCSD
   ret = esp32_mmcsd_initialize(0);
   if (ret < 0)