diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs
index 9d21d0d22e3e..2cfda7a5fb4b 100644
--- a/compiler/rustc_llvm/build.rs
+++ b/compiler/rustc_llvm/build.rs
@@ -16,7 +16,6 @@
     "mips",
     "powerpc",
     "systemz",
-    "jsbackend",
     "webassembly",
     "msp430",
     "sparc",
diff --git a/compiler/rustc_llvm/src/lib.rs b/compiler/rustc_llvm/src/lib.rs
index ed5edeef1617..14e94121d1cb 100644
--- a/compiler/rustc_llvm/src/lib.rs
+++ b/compiler/rustc_llvm/src/lib.rs
@@ -179,12 +179,6 @@ fn init() { }
         LLVMInitializeSystemZAsmPrinter,
         LLVMInitializeSystemZAsmParser
     );
-    init_target!(
-        llvm_component = "jsbackend",
-        LLVMInitializeJSBackendTargetInfo,
-        LLVMInitializeJSBackendTarget,
-        LLVMInitializeJSBackendTargetMC
-    );
     init_target!(
         llvm_component = "msp430",
         LLVMInitializeMSP430TargetInfo,