diff --git a/ptx/src/pass/emit_llvm.rs b/ptx/src/pass/emit_llvm.rs
index 57ae530..8b43f3e 100644
--- a/ptx/src/pass/emit_llvm.rs
+++ b/ptx/src/pass/emit_llvm.rs
@@ -45,7 +45,7 @@ const SHARED_ADDRESS_SPACE: u32 = 3;
 const CONSTANT_ADDRESS_SPACE: u32 = 4;
 const PRIVATE_ADDRESS_SPACE: u32 = 5;
 
-pub struct Context(LLVMContextRef);
+struct Context(LLVMContextRef);
 
 impl Context {
     fn new() -> Self {