diff --git a/CMakeLists.txt b/CMakeLists.txt
index 778b7886ccf..43aadfcc9d3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -236,11 +236,11 @@ if(EXECUTORCH_BUILD_FLATC)
     )
   endif()
   set(FLATC_EXECUTABLE flatc)
-  option(FLATBUFFERS_BUILD_FLATC "" ON)
-  option(FLATBUFFERS_BUILD_FLATHASH "" OFF)
-  option(FLATBUFFERS_BUILD_FLATLIB "" OFF)
-  option(FLATBUFFERS_BUILD_TESTS "" OFF)
-  option(FLATBUFFERS_INSTALL "" OFF)
+  set(FLATBUFFERS_BUILD_FLATC ON CACHE BOOL "")
+  set(FLATBUFFERS_BUILD_FLATHASH OFF CACHE BOOL "")
+  set(FLATBUFFERS_BUILD_FLATLIB OFF CACHE BOOL "")
+  set(FLATBUFFERS_BUILD_TESTS OFF CACHE BOOL "")
+  set(FLATBUFFERS_INSTALL OFF CACHE BOOL "")
   add_subdirectory(third-party/flatbuffers)
 endif()
 if(NOT FLATC_EXECUTABLE)
@@ -453,7 +453,6 @@ if(EXECUTORCH_BUILD_PYBIND)
       etdump
       executorch
       extension_data_loader
-      flatcc
       portable_ops_lib
       util
       torch
diff --git a/sdk/CMakeLists.txt b/sdk/CMakeLists.txt
index 05df3ba6ded..af43434ca29 100644
--- a/sdk/CMakeLists.txt
+++ b/sdk/CMakeLists.txt
@@ -50,9 +50,16 @@ foreach(schema_file ${_bundled_input_schema_names})
        "${CMAKE_CURRENT_SOURCE_DIR}/bundled_program/schema/${schema_file}")
 endforeach()
 
+set(FLATCC_TEST OFF CACHE BOOL "")
+set(FLATCC_REFLECTION OFF CACHE BOOL "")
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../third-party/flatcc
                  ${CMAKE_BINARY_DIR}/third-party/flatcc)
 
+# Fix for "relocation R_X86_64_32 against `.rodata' can not be used when making
+# a shared object; recompile with -fPIC" when building on some x86 linux
+# systems.
+set_property(TARGET flatccrt PROPERTY POSITION_INDEPENDENT_CODE ON)
+
 # Assume we are cross-compiling and the CMAKE_TOOLCHAIN_FILE is set
 include(ExternalProject)
 
@@ -67,6 +74,7 @@ ExternalProject_Add(
   PREFIX ${CMAKE_BINARY_DIR}/_host_build
   SOURCE_DIR ${CMAKE_SOURCE_DIR}/third-party/flatcc
   BINARY_DIR ${CMAKE_BINARY_DIR}/_host_build
+  CMAKE_CACHE_ARGS -DFLATCC_TEST:BOOL=OFF -DFLATCC_REFLECTION:BOOL=OFF
   INSTALL_COMMAND "" # Prevent the install step, modify as needed
 )
 
@@ -118,7 +126,7 @@ add_library(etdump ${CMAKE_CURRENT_SOURCE_DIR}/etdump/etdump_flatcc.cpp
 
 target_link_libraries(
   etdump
-  PUBLIC etdump_schema flatcc
+  PUBLIC etdump_schema flatccrt
   PRIVATE executorch)
 
 add_custom_command(
@@ -148,7 +156,7 @@ target_include_directories(
 
 # Install libraries
 install(
-  TARGETS bundled_program etdump flatcc
+  TARGETS bundled_program etdump flatccrt
   DESTINATION ${CMAKE_BINARY_DIR}/lib
   INCLUDES
   DESTINATION ${_common_include_directories})