diff --git a/examples/profile_example.cpp b/examples/profile_example.cpp
index 48f82d21c..25f380e5b 100644
--- a/examples/profile_example.cpp
+++ b/examples/profile_example.cpp
@@ -29,7 +29,7 @@
 namespace fs = std::filesystem;
 using namespace micm;
 
-template<template<class> class MatrixType, template<class> class SparseMatrixType>
+template<template<class> class MatrixType, class SparseMatrixType>
 int Run(const char* filepath, const char* initial_conditions, const std::string& matrix_ordering_type)
 {
   using SolverType = RosenbrockSolver<MatrixType, SparseMatrixType>;
@@ -114,24 +114,9 @@ int Run(const char* filepath, const char* initial_conditions, const std::string&
   return 0;
 }
 
-template<class T>
-using SparseMatrixParam = micm::SparseMatrix<T>;
-template<class T>
-using Vector1MatrixParam = micm::VectorMatrix<T, 1>;
-template<class T>
-using Vector10MatrixParam = micm::VectorMatrix<T, 10>;
-template<class T>
-using Vector100MatrixParam = micm::VectorMatrix<T, 100>;
-template<class T>
+template<typename T>
 using Vector1000MatrixParam = micm::VectorMatrix<T, 1000>;
-template<class T>
-using Vector1SparseMatrixParam = micm::SparseMatrix<T, micm::SparseMatrixVectorOrdering<1>>;
-template<class T>
-using Vector10SparseMatrixParam = micm::SparseMatrix<T, micm::SparseMatrixVectorOrdering<10>>;
-template<class T>
-using Vector100SparseMatrixParam = micm::SparseMatrix<T, micm::SparseMatrixVectorOrdering<100>>;
-template<class T>
-using Vector1000SparseMatrixParam = micm::SparseMatrix<T, micm::SparseMatrixVectorOrdering<1000>>;
+using Vector1000SparseMatrixParam = micm::SparseMatrix<double, micm::SparseMatrixVectorOrdering<1000>>;
 
 int main(const int argc, const char* argv[])
 {
diff --git a/test/unit/process/test_cuda_process_set.cpp b/test/unit/process/test_cuda_process_set.cpp
index ba7cdb8e9..5516beefa 100644
--- a/test/unit/process/test_cuda_process_set.cpp
+++ b/test/unit/process/test_cuda_process_set.cpp
@@ -23,7 +23,7 @@ void compare_pair(const index_pair& a, const index_pair& b)
   EXPECT_EQ(a.second, b.second);
 }
 
-template<template<class> class CPUMatrixPolicy, template<class> class GPUMatrixPolicy>
+template<class CPUMatrixPolicy, template<class> class GPUMatrixPolicy>
 void testRandomSystemAddForcingTerms(std::size_t n_cells, std::size_t n_reactions, std::size_t n_species)
 {
   auto get_n_react = std::bind(std::uniform_int_distribution<>(0, 3), std::default_random_engine());
@@ -212,8 +212,7 @@ void testRandomSystemSubtractJacobianTerms(std::size_t n_cells, std::size_t n_re
   }
 }
 
-template<class T>
-using Group10000VectorMatrix = micm::VectorMatrix<T, 10000>;
+using Group10000VectorMatrix = micm::VectorMatrix<double, 10000>;
 
 template<class T>
 using Group10000SparseVectorMatrix = micm::SparseMatrix<T, micm::SparseMatrixVectorOrdering<10000>>;