diff --git a/core/libs/prx/libkernel/File/src/Stdio.cpp b/core/libs/prx/libkernel/File/src/Stdio.cpp
index f94bb212c..2427c016f 100644
--- a/core/libs/prx/libkernel/File/src/Stdio.cpp
+++ b/core/libs/prx/libkernel/File/src/Stdio.cpp
@@ -305,7 +305,6 @@ static constexpr int GUEST_EDEADLK = 11;
 static constexpr int GUEST_ELOOP = 62;
 static constexpr int GUEST_EDQUOT = 69;
 static constexpr int GUEST_EOVERFLOW = 84;
-static constexpr int GUEST_EOPNOTSUPP = 45;
 
 static int SceErrorFromErrno(int error);