diff --git a/build_files/cmake/platform/platform_apple.cmake b/build_files/cmake/platform/platform_apple.cmake
index 6bcb3ef5d8c..394eac8d0d8 100644
--- a/build_files/cmake/platform/platform_apple.cmake
+++ b/build_files/cmake/platform/platform_apple.cmake
@@ -417,15 +417,6 @@ if(WITH_TBB)
   find_package(TBB)
 endif()
 
-if(WITH_GMP)
-  find_package(GMP)
-
-  if(NOT GMP_FOUND)
-    set(WITH_GMP OFF)
-    message(STATUS "GMP not found")
-  endif()
-endif()
-
 if(WITH_POTRACE)
   find_package(Potrace)
   if(NOT POTRACE_FOUND)
diff --git a/build_files/cmake/platform/platform_unix.cmake b/build_files/cmake/platform/platform_unix.cmake
index bf611f56ce1..58de3b34961 100644
--- a/build_files/cmake/platform/platform_unix.cmake
+++ b/build_files/cmake/platform/platform_unix.cmake
@@ -434,15 +434,6 @@ if(WITH_TBB)
   find_package_wrapper(TBB)
 endif()
 
-if(WITH_GMP)
-  find_package(GMP)
-
-  if(NOT GMP_FOUND)
-    set(WITH_GMP OFF)
-    message(STATUS "GMP not found")
-  endif()
-endif()
-
 if(WITH_XR_OPENXR)
   find_package(XR_OpenXR_SDK)
   if(NOT XR_OPENXR_SDK_FOUND)