diff --git a/include/gz/math/Helpers.hh b/include/gz/math/Helpers.hh
index c70b597ff..dd034378b 100644
--- a/include/gz/math/Helpers.hh
+++ b/include/gz/math/Helpers.hh
@@ -660,9 +660,9 @@ namespace ignition
     /// \return True if the regex was able to split the string otherwise False
     inline bool isTimeString(const std::string &_timeString)
     {
-      uint64_t days, hours, minutes, seconds, millis;
-      return splitTimeBasedOnTimeRegex(
-          _timeString, days, hours, minutes, seconds, millis);
+      // These will be thrown away, just for making the function call
+      uint64_t d, h, m, s, ms;
+      return splitTimeBasedOnTimeRegex(_timeString, d, h, m, s, ms);
     }
 
     /// \brief Convert a string to a std::chrono::steady_clock::duration
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 92f78df86..709d6beb7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -19,6 +19,6 @@ add_subdirectory(graph)
 
 # Bindings subdirectories
 if (${pybind11_FOUND})
-  #  add_subdirectory(python_pybind11)
+  add_subdirectory(python_pybind11)
 endif()
-# add_subdirectory(ruby)
+add_subdirectory(ruby)
diff --git a/src/Helpers.cc b/src/Helpers.cc
index 904b2f747..d434ff192 100644
--- a/src/Helpers.cc
+++ b/src/Helpers.cc
@@ -183,7 +183,7 @@ namespace ignition
       // The following regex takes a time string in the general format of
       // "dd hh:mm:ss.nnn" where n is milliseconds, if just one number is
       // provided, it is assumed to be seconds.
-      static const ignition::utils::NeverDestroyed<std::regex> timeRegex { 
+      static const ignition::utils::NeverDestroyed<std::regex> timeRegex {
           "^([0-9]+ ){0,1}"                       // day:
                                                   // Any positive integer
 
diff --git a/src/graph/GraphAlgorithms_TEST.cc b/src/graph/GraphAlgorithms_TEST.cc
index 89acff4aa..d82f9ee87 100644
--- a/src/graph/GraphAlgorithms_TEST.cc
+++ b/src/graph/GraphAlgorithms_TEST.cc
@@ -16,7 +16,6 @@
 */
 
 #include <gtest/gtest.h>
-#include <string>
 
 #include "gz/math/graph/Graph.hh"
 #include "gz/math/graph/GraphAlgorithms.hh"