diff --git a/Jenkinsfile b/Jenkinsfile
deleted file mode 100644
index 3b022551e..000000000
--- a/Jenkinsfile
+++ /dev/null
@@ -1,34 +0,0 @@
-pipeline {
-	agent {
-		dockerfile {
-			filename 'Dockerfile'
-			args '-v cargo-cache:/cache/cargocache:rw -e "CARGO_HOME=/cache/cargocache"'
-		}
-	}
-	stages {
-		stage('Build') {
-			steps {
-				sh 'cargo build --verbose --all'
-				sh 'cargo build --verbose --all --release'
-			}
-		}
-        stage('Check') {
-            steps {
-                sh 'cargo fmt --all -- --check'
-                // No clippy until later...
-                //sh 'cargo clippy'
-            }
-        }
-		stage('Test') {
-			steps {
-				sh 'cargo test --verbose --all'
-				sh 'cargo test --verbose --all --release'
-                sh 'cargo test --manifest-path eth2/state_processing/Cargo.toml --verbose \
-                               --release --features fake_crypto'
-                sh 'cargo test --manifest-path eth2/state_processing/Cargo.toml --verbose \
-                               --release --features fake_crypto -- --ignored'
-
-			}
-		}
-	}
-}
diff --git a/eth2/utils/bls/Cargo.toml b/eth2/utils/bls/Cargo.toml
index cd132bb62..877afa442 100644
--- a/eth2/utils/bls/Cargo.toml
+++ b/eth2/utils/bls/Cargo.toml
@@ -9,6 +9,7 @@ bls-aggregates = { git = "https://github.com/sigp/signature-schemes", branch = "
 cached_tree_hash = { path = "../cached_tree_hash" }
 hashing = { path = "../hashing" }
 hex = "0.3"
+rand = "0.5"
 serde = "1.0"
 serde_derive = "1.0"
 serde_hex = { path = "../serde_hex" }
diff --git a/eth2/utils/bls/src/secret_key.rs b/eth2/utils/bls/src/secret_key.rs
index 620780261..6fdc702c6 100644
--- a/eth2/utils/bls/src/secret_key.rs
+++ b/eth2/utils/bls/src/secret_key.rs
@@ -1,3 +1,5 @@
+extern crate rand;
+
 use super::BLS_SECRET_KEY_BYTE_SIZE;
 use bls_aggregates::SecretKey as RawSecretKey;
 use hex::encode as hex_encode;
@@ -16,7 +18,7 @@ pub struct SecretKey(RawSecretKey);
 
 impl SecretKey {
     pub fn random() -> Self {
-        SecretKey(RawSecretKey::random())
+        SecretKey(RawSecretKey::random(&mut rand::thread_rng()))
     }
 
     /// Returns the underlying point as compressed bytes.