diff --git a/BUCK b/BUCK
index 2c601399..0dfa11b8 100644
--- a/BUCK
+++ b/BUCK
@@ -6,7 +6,6 @@ rust_library(
     deps = [
         ":core",
         ":macro",
-        "//third-party:link-cplusplus",
     ],
 )
 
diff --git a/BUILD b/BUILD
index 02481733..27c69319 100644
--- a/BUILD
+++ b/BUILD
@@ -7,10 +7,7 @@ rust_library(
         ":cxxbridge-macro",
     ],
     visibility = ["//visibility:public"],
-    deps = [
-        ":core-lib",
-        "//third-party:link-cplusplus",
-    ],
+    deps = [":core-lib"],
 )
 
 rust_binary(
diff --git a/build.rs b/build.rs
index 2aad99f4..cecf0e51 100644
--- a/build.rs
+++ b/build.rs
@@ -7,4 +7,5 @@ fn main() {
         .compile("cxxbridge03");
     println!("cargo:rerun-if-changed=src/cxx.cc");
     println!("cargo:rerun-if-changed=include/cxx.h");
+    println!("cargo:rustc-cfg=built_with_cargo");
 }
diff --git a/src/lib.rs b/src/lib.rs
index dc26f67d..4053c85c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -368,6 +368,7 @@
     clippy::useless_let_if_seq
 )]
 
+#[cfg(built_with_cargo)]
 extern crate link_cplusplus;
 
 #[macro_use]
diff --git a/third-party/BUCK b/third-party/BUCK
index 95c879af..86e8e72d 100644
--- a/third-party/BUCK
+++ b/third-party/BUCK
@@ -38,12 +38,6 @@ rust_library(
     srcs = glob(["vendor/lazy_static-1.4.0/src/**"]),
 )
 
-rust_library(
-    name = "link-cplusplus",
-    srcs = glob(["vendor/link-cplusplus-1.0.2/src/**"]),
-    visibility = ["PUBLIC"],
-)
-
 rust_library(
     name = "proc-macro2",
     srcs = glob(["vendor/proc-macro2-1.0.19/src/**"]),
diff --git a/third-party/BUILD b/third-party/BUILD
index 081737ea..7ceec9b5 100644
--- a/third-party/BUILD
+++ b/third-party/BUILD
@@ -43,12 +43,6 @@ rust_library(
     srcs = glob(["vendor/lazy_static-1.4.0/src/**"]),
 )
 
-rust_library(
-    name = "link-cplusplus",
-    srcs = glob(["vendor/link-cplusplus-1.0.2/src/**"]),
-    visibility = ["//visibility:public"],
-)
-
 rust_library(
     name = "proc-macro2",
     srcs = glob(["vendor/proc-macro2-1.0.19/src/**"]),