diff --git a/java/CMakeLists.txt b/java/CMakeLists.txt
index a27106c8e..69d7a265b 100644
--- a/java/CMakeLists.txt
+++ b/java/CMakeLists.txt
@@ -52,6 +52,5 @@ if(ANDROID)
 	# HACK: accessing mediastreamer2 source directory from here is just wrong!
 	add_custom_target(linphonecore-jni-header
 		COMMAND ${Java_JAVAH_EXECUTABLE} -o "${CMAKE_BINARY_DIR}/linphonecore_jni.h" -classpath "${CMAKE_CURRENT_SOURCE_DIR}/impl:${CMAKE_CURRENT_SOURCE_DIR}/common:${CMAKE_CURRENT_SOURCE_DIR}/../mediastreamer2/java/src" ${JNI_CLASSES}
-		BYPRODUCTS "${CMAKE_BINARY_DIR}/linphonecore_jni.h"
 	)
 endif()