diff --git a/src/main/build/version.h b/src/main/build/version.h
index 4770ad98e9..0c4ef60692 100644
--- a/src/main/build/version.h
+++ b/src/main/build/version.h
@@ -15,6 +15,8 @@
  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 #define FC_FIRMWARE_NAME            "Betaflight"
 #define FC_VERSION_MAJOR            3  // increment when a major release is made (big new feature, etc)
 #define FC_VERSION_MINOR            2  // increment when a minor release is made (small new feature, change etc)
diff --git a/src/main/common/bitarray.h b/src/main/common/bitarray.h
index 48032bb297..50dab5909a 100644
--- a/src/main/common/bitarray.h
+++ b/src/main/common/bitarray.h
@@ -15,6 +15,8 @@
  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 bool bitArrayGet(const void *array, unsigned bit);
 void bitArraySet(void *array, unsigned bit);
 void bitArrayClr(void *array, unsigned bit);
diff --git a/src/main/common/gps_conversion.h b/src/main/common/gps_conversion.h
index 81adc0b01c..c7b07f373e 100644
--- a/src/main/common/gps_conversion.h
+++ b/src/main/common/gps_conversion.h
@@ -15,4 +15,6 @@
  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 uint32_t GPS_coord_to_degrees(const char* coordinateString);
diff --git a/src/main/config/parameter_group_ids.h b/src/main/config/parameter_group_ids.h
index 3b3e47676e..ea95a6a80e 100644
--- a/src/main/config/parameter_group_ids.h
+++ b/src/main/config/parameter_group_ids.h
@@ -15,6 +15,8 @@
  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 // FC configuration (defined by cleanflight v1)
 #define PG_FAILSAFE_CONFIG 1 // struct OK
 #define PG_BOARD_ALIGNMENT 2 // struct OK
@@ -125,4 +127,3 @@
 #define PG_RESERVED_FOR_TESTING_1 4095
 #define PG_RESERVED_FOR_TESTING_2 4094
 #define PG_RESERVED_FOR_TESTING_3 4093
-
diff --git a/src/main/drivers/gyro_sync.h b/src/main/drivers/gyro_sync.h
index f488be5468..335e1c279c 100644
--- a/src/main/drivers/gyro_sync.h
+++ b/src/main/drivers/gyro_sync.h
@@ -5,6 +5,8 @@
  *      Author: borisb
  */
 
+#pragma once
+
 #include "drivers/accgyro/accgyro.h"
 
 bool gyroSyncCheckUpdate(gyroDev_t *gyro);
diff --git a/src/main/drivers/vtx_common.h b/src/main/drivers/vtx_common.h
index d72bf79271..000859ccab 100644
--- a/src/main/drivers/vtx_common.h
+++ b/src/main/drivers/vtx_common.h
@@ -17,6 +17,8 @@
 
 /* Created by jflyper */
 
+#pragma once
+
 typedef enum {
     VTXDEV_UNSUPPORTED = 0, // reserved for MSP
     VTXDEV_RTC6705    = 1,
diff --git a/src/main/io/dashboard.h b/src/main/io/dashboard.h
index 10339369e9..becc55d402 100644
--- a/src/main/io/dashboard.h
+++ b/src/main/io/dashboard.h
@@ -15,6 +15,8 @@
  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 #include "common/time.h"
 #include "config/parameter_group.h"
 #include "drivers/bus_i2c.h"
diff --git a/src/main/target/CC3D/target.h b/src/main/target/CC3D/target.h
index fba7f6b694..4fed0d38e3 100644
--- a/src/main/target/CC3D/target.h
+++ b/src/main/target/CC3D/target.h
@@ -15,6 +15,8 @@
  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 #define TARGET_BOARD_IDENTIFIER "CC3D" // CopterControl 3D
 
 #define LED0_PIN                PB3
diff --git a/src/main/target/LUMBAF3/target.h b/src/main/target/LUMBAF3/target.h
index aa579ef8f8..8cfd7a5e8e 100644
--- a/src/main/target/LUMBAF3/target.h
+++ b/src/main/target/LUMBAF3/target.h
@@ -15,6 +15,8 @@
  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 #define TARGET_BOARD_IDENTIFIER "MCF3" // LumbaF3 Flight Controller by mC
 
 #define LED0_PIN                PB3