diff --git a/examples/exn_thrower.m b/examples/exn_thrower.m
new file mode 100644
index 0000000..9212a10
--- /dev/null
+++ b/examples/exn_thrower.m
@@ -0,0 +1,6 @@
+function exn_thrower()
+
+error('I take exception to everything.');
+
+end
+
diff --git a/examples/matlab_exception.m b/examples/matlab_exception.m
index 1df2a82..23edece 100644
--- a/examples/matlab_exception.m
+++ b/examples/matlab_exception.m
@@ -2,8 +2,6 @@
 % MATLAB (with the Julia backtrace appended)
 function matlab_exception()
 
-exn_thrower = @() error('I take exception to everything.');
-
 try
     jl.call('Mex.call_matlab', int32(0), exn_thrower)
 catch e
diff --git a/examples/performance.m b/examples/performance.m
index ca9eaf0..9b51daf 100644
--- a/examples/performance.m
+++ b/examples/performance.m
@@ -30,7 +30,6 @@ function performance()
 
 %% mexjulia raw
 % For maximum performance. This requires dealing with the MEX pointer arrays
-jleval('using MATLAB: MxArray, jscalar, mxarray');
 jleval(sprintf('%s\n',...
     'function divrem_raw(plhs::Vector{Ptr{Cvoid}}, prhs::Vector{Ptr{Cvoid}})',...
     'out = divrem(jscalar(MxArray(prhs[1], false)), jscalar(MxArray(prhs[2], false)))',...