diff --git a/openssl-sys/src/evp.rs b/openssl-sys/src/evp.rs
index 51c5d8eb..a7e2a945 100644
--- a/openssl-sys/src/evp.rs
+++ b/openssl-sys/src/evp.rs
@@ -121,6 +121,7 @@ extern "C" {
         npubk: c_int,
     ) -> c_int;
     pub fn EVP_SealFinal(ctx: *mut EVP_CIPHER_CTX, out: *mut c_uchar, outl: *mut c_int) -> c_int;
+    #[cfg(ossl111)]
     pub fn EVP_PKEY_size(pkey: *const EVP_PKEY) -> c_int;
     pub fn EVP_EncryptUpdate(
         ctx: *mut EVP_CIPHER_CTX,
diff --git a/openssl/src/lib.rs b/openssl/src/lib.rs
index 18a1571f..e73986cb 100644
--- a/openssl/src/lib.rs
+++ b/openssl/src/lib.rs
@@ -150,6 +150,7 @@ pub mod dsa;
 pub mod ec;
 pub mod ecdsa;
 pub mod error;
+#[cfg(ossl111)]
 pub mod evp;
 pub mod ex_data;
 #[cfg(not(libressl))]