diff --git a/debian/kineto-49e854d805d916b2031e337763928d2f8d2e1fbf/libkineto/CMakeLists.txt b/debian/kineto-49e854d805d916b2031e337763928d2f8d2e1fbf/libkineto/CMakeLists.txt
index 7d36ffb9..f534aebb 100644
--- a/debian/kineto-49e854d805d916b2031e337763928d2f8d2e1fbf/libkineto/CMakeLists.txt
+++ b/debian/kineto-49e854d805d916b2031e337763928d2f8d2e1fbf/libkineto/CMakeLists.txt
@@ -111,23 +111,7 @@ endif()
 target_compile_options(kineto_base PRIVATE "${KINETO_COMPILE_OPTIONS}")
 target_compile_options(kineto_api PRIVATE "${KINETO_COMPILE_OPTIONS}")
 
-if(NOT TARGET fmt)
-  if(NOT FMT_SOURCE_DIR)
-    set(FMT_SOURCE_DIR "${LIBKINETO_THIRDPARTY_DIR}/fmt"
-      CACHE STRING "fmt source directory from submodules")
-  endif()
-
-  # Build FMT.
-  # FMT and some other libraries use BUILD_SHARED_LIBS to control
-  # the library type.
-  # Save and restore the value after configuring FMT
-  set(TEMP_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
-  set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared libs" FORCE)
-  set(FMT_LIBRARY_TYPE static CACHE STRING "Set lib type to static")
-  add_subdirectory("${FMT_SOURCE_DIR}" "${LIBKINETO_BINARY_DIR}/fmt")
-  set_property(TARGET fmt PROPERTY POSITION_INDEPENDENT_CODE ON)
-  set(BUILD_SHARED_LIBS ${TEMP_BUILD_SHARED_LIBS} CACHE BOOL "Build shared libs" FORCE)
-endif()
+find_package(fmt REQUIRED)