diff --git a/gtsam/slam/dataset.cpp b/gtsam/slam/dataset.cpp
index 6efd01feb..34370d4e2 100644
--- a/gtsam/slam/dataset.cpp
+++ b/gtsam/slam/dataset.cpp
@@ -51,7 +51,6 @@ using namespace gtsam::symbol_shorthand;
 
 namespace gtsam {
 
-#ifndef MATLAB_MEX_FILE
 /* ************************************************************************* */
 string findExampleDataFile(const string& name) {
   // Search source tree and installed location
@@ -100,9 +99,6 @@ string createRewrittenFileName(const string& name) {
   return newpath.string();
 }
 
-/* ************************************************************************* */
-#endif
-
 /* ************************************************************************* */
 GraphAndValues load2D(pair<string, SharedNoiseModel> dataset, int maxID,
     bool addNoise, bool smart, NoiseFormat noiseFormat,
diff --git a/gtsam/slam/dataset.h b/gtsam/slam/dataset.h
index 929ada2c1..7c9b54a6f 100644
--- a/gtsam/slam/dataset.h
+++ b/gtsam/slam/dataset.h
@@ -37,7 +37,6 @@
 
 namespace gtsam {
 
-#ifndef MATLAB_MEX_FILE
 /**
  * Find the full path to an example dataset distributed with gtsam.  The name
  * may be specified with or without a file extension - if no extension is
@@ -56,7 +55,6 @@ GTSAM_EXPORT std::string findExampleDataFile(const std::string& name);
  * for checking read-write oprations
  */
 GTSAM_EXPORT std::string createRewrittenFileName(const std::string& name);
-#endif
 
 /// Indicates how noise parameters are stored in file
 enum NoiseFormat {