diff --git a/src/mlpack/core/math/lin_alg.hpp b/src/mlpack/core/math/lin_alg.hpp
index 412a803f07..7452e2ed4b 100644
--- a/src/mlpack/core/math/lin_alg.hpp
+++ b/src/mlpack/core/math/lin_alg.hpp
@@ -14,6 +14,7 @@
 
 #include <mlpack/prereqs.hpp>
 #include "ccov.hpp"
+#include "random.hpp"
 
 /**
  * Linear algebra utility functions, generally performed on matrices or vectors.
diff --git a/src/mlpack/core/math/lin_alg_impl.hpp b/src/mlpack/core/math/lin_alg_impl.hpp
index 64cf40df96..1a0408e3c4 100644
--- a/src/mlpack/core/math/lin_alg_impl.hpp
+++ b/src/mlpack/core/math/lin_alg_impl.hpp
@@ -91,8 +91,8 @@ inline void RandVector(arma::vec& v)
 
   for (size_t i = 0; i + 1 < v.n_elem; i += 2)
   {
-    double a = Random();
-    double b = Random();
+    double a = math::Random();
+    double b = math::Random();
     double first_term = sqrt(-2 * log(a));
     double second_term = 2 * M_PI * b;
     v[i]     = first_term * cos(second_term);
diff --git a/src/mlpack/methods/cf/cf_main.cpp b/src/mlpack/methods/cf/cf_main.cpp
index d756aedabe..3df5caf161 100644
--- a/src/mlpack/methods/cf/cf_main.cpp
+++ b/src/mlpack/methods/cf/cf_main.cpp
@@ -40,6 +40,7 @@
 #include <mlpack/methods/cf/neighbor_search_policies/pearson_search.hpp>
 
 using namespace mlpack;
+using namespace mlpack::math;
 using namespace mlpack::cf;
 using namespace mlpack::amf;
 using namespace mlpack::svd;
@@ -202,9 +203,9 @@ PARAM_STRING_IN("neighbor_search", "Algorithm used for neighbor search.",
 void BINDING_FUNCTION(util::Params& params, util::Timers& timers)
 {
   if (params.Get<int>("seed") == 0)
-    math::RandomSeed(std::time(NULL));
+    RandomSeed(std::time(NULL));
   else
-    math::RandomSeed(params.Get<int>("seed"));
+    RandomSeed(params.Get<int>("seed"));
 
   // Validate parameters.
   RequireOnlyOnePassed(params, { "training", "input_model" }, true);