1 files changed, 4 insertions, 5 deletions
diff --git a/src/armnnSerializer/CMakeLists.txt b/src/armnnSerializer/CMakeLists.txt
index a7f85ec871..af2262d5fa 100755
--- a/src/armnnSerializer/CMakeLists.txt
+++ b/src/armnnSerializer/CMakeLists.txt
@@ -3,11 +3,10 @@
 # SPDX-License-Identifier: MIT
 #
 if(BUILD_ARMNN_SERIALIZER)
-    file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/ArmnnSchema_generated.h)
-    add_custom_command (
-        OUTPUT  ArmnnSchema_generated.h
-        COMMAND ${FLATC_DIR}/flatc -o ${CMAKE_CURRENT_BINARY_DIR} --cpp
-                ${CMAKE_CURRENT_SOURCE_DIR}/ArmnnSchema.fbs
+    add_custom_command(
+        # Generate an ArmnnSchema_generated.h file if it doesn't exist, or update it when necessary otherwise
+        OUTPUT ArmnnSchema_generated.h DEPENDS ArmnnSchema.fbs
+        COMMAND ${FLATC_DIR}/flatc -o ${CMAKE_CURRENT_BINARY_DIR} --cpp ${CMAKE_CURRENT_SOURCE_DIR}/ArmnnSchema.fbs
     )
 
     set(armnn_serializer_sources)