diff --git a/SuperBuild/CMake/External_otb.cmake b/SuperBuild/CMake/External_otb.cmake
index ae48cecb20ef0c355700f61211facf456da91e32..66aa92000b082ba042fc65ec6b0c9f584bc24c45 100644
--- a/SuperBuild/CMake/External_otb.cmake
+++ b/SuperBuild/CMake/External_otb.cmake
@@ -221,7 +221,6 @@ ExternalProject_Add(OTB
   CMAKE_ARGS ${OTB_SB_CONFIG}
   CMAKE_COMMAND ${SB_CMAKE_COMMAND}
   LOG_CONFIGURE 1
-  CMAKE_GENERATOR Ninja
   )