diff --git a/src/geometry/quaternion_construction.rs b/src/geometry/quaternion_construction.rs
index 89911b91..50807907 100644
--- a/src/geometry/quaternion_construction.rs
+++ b/src/geometry/quaternion_construction.rs
@@ -891,6 +891,7 @@ where
 }
 
 #[cfg(test)]
+#[cfg(feature = "rand")]
 mod tests {
     extern crate rand_xorshift;
     use super::*;
diff --git a/src/linalg/symmetric_eigen.rs b/src/linalg/symmetric_eigen.rs
index 64d3515a..d30c2f80 100644
--- a/src/linalg/symmetric_eigen.rs
+++ b/src/linalg/symmetric_eigen.rs
@@ -337,6 +337,7 @@ mod test {
         }
     }
 
+    #[cfg(feature = "rand")]
     #[test]
     fn wilkinson_shift_random() {
         for _ in 0..1000 {