diff --git a/src/pkg/runtime/386/asm.s b/src/pkg/runtime/386/asm.s
index 5f0d0ed4682..bf4c97ba619 100644
--- a/src/pkg/runtime/386/asm.s
+++ b/src/pkg/runtime/386/asm.s
@@ -416,4 +416,3 @@ GLOBL m0(SB), $1024
 GLOBL g0(SB), $1024
 GLOBL tls0(SB), $32
 GLOBL initcgo(SB), $4
-GLOBL isplan9(SB), $4
diff --git a/src/pkg/runtime/runtime.c b/src/pkg/runtime/runtime.c
index a8f81773315..9b874cec8d8 100644
--- a/src/pkg/runtime/runtime.c
+++ b/src/pkg/runtime/runtime.c
@@ -147,7 +147,7 @@ args(int32 c, uint8 **v)
 	argv = v;
 }
 
-extern int32 isplan9;
+int32 isplan9;
 
 void
 goargs(void)