diff --git a/ReactCommon/jsi/BUCK b/ReactCommon/jsi/BUCK
index 49a5893a408..e6556a06f5a 100644
--- a/ReactCommon/jsi/BUCK
+++ b/ReactCommon/jsi/BUCK
@@ -72,31 +72,6 @@ rn_xplat_cxx_library(
         "JSCRuntime.h",
     ],
     apple_sdks = (IOS, MACOSX),
-    cxx_exported_platform_linker_flags = [
-        (
-            "macosx-x86_64",
-            [
-                "-framework",
-                "JavaScriptCore",
-            ],
-        ),
-    ],
-    cxx_platform_deps = [
-        (
-            "^(linux|gcc|platform)",
-            [
-                "fbsource//xplat/jsc:jsc",
-            ],
-        ),
-    ],
-    fbandroid_compiler_flags = [
-        "-fexceptions",
-        "-frtti",
-        "-O3",
-    ],
-    fbandroid_deps = [
-        "fbsource//xplat/jsc:jsc",
-    ],
     fbobjc_compiler_flags = [
         "-Os",
     ],
diff --git a/tools/build_defs/oss/rn_defs.bzl b/tools/build_defs/oss/rn_defs.bzl
index 95f5caad6f5..698ce671363 100644
--- a/tools/build_defs/oss/rn_defs.bzl
+++ b/tools/build_defs/oss/rn_defs.bzl
@@ -27,15 +27,6 @@ GLOG_DEP = "//ReactAndroid/build/third-party-ndk/glog:glog"
 
 INSPECTOR_FLAGS = []
 
-APPLE_JSC_DEPS = []
-
-ANDROID_JSC_INTERNAL_DEPS = [
-    "//native/third-party/jsc:jsc",
-    "//native/third-party/jsc:jsc_legacy_profiler",
-]
-
-ANDROID_JSC_DEPS = ANDROID_JSC_INTERNAL_DEPS
-
 ANDROID = "Android"
 
 APPLE = ""