diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt
index e4fb7accd2..92ebdb9490 100644
--- a/indra/llrender/CMakeLists.txt
+++ b/indra/llrender/CMakeLists.txt
@@ -90,10 +90,6 @@ endif (BUILD_HEADLESS)
 add_library (llrender ${llrender_SOURCE_FILES})
 target_include_directories( llrender  INTERFACE   ${CMAKE_CURRENT_SOURCE_DIR})
 
-if (SDL_FOUND)
-  set_property(TARGET llrender PROPERTY COMPILE_DEFINITIONS LL_SDL=1)
-endif (SDL_FOUND)
-
 # Libraries on which this library depends, needed for Linux builds
 # Sort by high-level to low-level
 target_link_libraries(llrender