diff --git a/bufferinfo/legacy/BufferInfoImagination.h b/bufferinfo/legacy/BufferInfoImagination.h
index 635e3b5..3f4e13a 100644
--- a/bufferinfo/legacy/BufferInfoImagination.h
+++ b/bufferinfo/legacy/BufferInfoImagination.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef BUFFERINFOIMAGINATION_H
-#define BUFFERINFOIMAGINATION_H
+#pragma once
 
 #include <hardware/gralloc.h>
 
@@ -30,5 +29,3 @@
   auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
 };
 }  // namespace android
-
-#endif  // PLATFORMIMAGINATION_H
diff --git a/bufferinfo/legacy/BufferInfoLibdrm.h b/bufferinfo/legacy/BufferInfoLibdrm.h
index 7f5b08c..d913d57 100644
--- a/bufferinfo/legacy/BufferInfoLibdrm.h
+++ b/bufferinfo/legacy/BufferInfoLibdrm.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef BUFFERINFOLIBDRM_H_
-#define BUFFERINFOLIBDRM_H_
+#pragma once
 
 #include <hardware/gralloc.h>
 
@@ -35,5 +34,3 @@
 };
 
 }  // namespace android
-
-#endif
diff --git a/bufferinfo/legacy/BufferInfoMaliHisi.h b/bufferinfo/legacy/BufferInfoMaliHisi.h
index cc37491..35c7989 100644
--- a/bufferinfo/legacy/BufferInfoMaliHisi.h
+++ b/bufferinfo/legacy/BufferInfoMaliHisi.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef BUFFERINFOMALIHISI_H_
-#define BUFFERINFOMALIHISI_H_
+#pragma once
 
 #include <hardware/gralloc.h>
 
@@ -33,5 +32,3 @@
   uint64_t ConvertGrallocFormatToDrmModifiers(uint64_t flags, bool is_rgb);
 };
 }  // namespace android
-
-#endif
diff --git a/bufferinfo/legacy/BufferInfoMaliMediatek.h b/bufferinfo/legacy/BufferInfoMaliMediatek.h
index 43d987a..120a88c 100644
--- a/bufferinfo/legacy/BufferInfoMaliMediatek.h
+++ b/bufferinfo/legacy/BufferInfoMaliMediatek.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef BUFFERINFOMALIMTK_H_
-#define BUFFERINFOMALIMTK_H_
+#pragma once
 
 #include <hardware/gralloc.h>
 
@@ -30,5 +29,3 @@
   auto GetBoInfo(buffer_handle_t handle) -> std::optional<BufferInfo> override;
 };
 }  // namespace android
-
-#endif
diff --git a/bufferinfo/legacy/BufferInfoMaliMeson.h b/bufferinfo/legacy/BufferInfoMaliMeson.h
index 3b6fab0..9a484d3 100644
--- a/bufferinfo/legacy/BufferInfoMaliMeson.h
+++ b/bufferinfo/legacy/BufferInfoMaliMeson.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef BUFFERINFOMALIHISI_H_
-#define BUFFERINFOMALIHISI_H_
+#pragma once
 
 #include <hardware/gralloc.h>
 
@@ -32,5 +31,3 @@
   uint64_t ConvertGrallocFormatToDrmModifiers(uint64_t flags);
 };
 }  // namespace android
-
-#endif
diff --git a/bufferinfo/legacy/BufferInfoMinigbm.h b/bufferinfo/legacy/BufferInfoMinigbm.h
index 40d9926..5525110 100644
--- a/bufferinfo/legacy/BufferInfoMinigbm.h
+++ b/bufferinfo/legacy/BufferInfoMinigbm.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef BUFFERINFOMINIGBM_H_
-#define BUFFERINFOMINIGBM_H_
+#pragma once
 
 #include <hardware/gralloc.h>
 
@@ -31,5 +30,3 @@
 };
 
 }  // namespace android
-
-#endif