diff --git a/Makefile b/Makefile
index c94020792..5e62659da 100755
--- a/Makefile
+++ b/Makefile
@@ -59,7 +59,7 @@ uninstall:
 	@$(PYTHON) scons/scons.py -j$(JOBS) --config=cache --implicit-cache --max-drift=1 uninstall
 
 test:
-	@source localize.sh && ./test/unit/run && \
+	@source localize.sh && source mapnik-settings.env && ./test/unit/run && \
 	for FILE in test/standalone/*-bin; do \
 		$${FILE}; \
 	done; 
@@ -80,10 +80,12 @@ pep8:
 	@pep8 -r --select=W391 -q --filename=*.py `pwd`/tests/ | xargs ged -i '/./,/^$$/!d'
 
 grind:
-	@for FILE in test/standalone/*-bin; do \
+	@source localize.sh && source mapnik-settings.env && \
+	for FILE in test/standalone/*-bin; do \
 		valgrind --leak-check=full --log-fd=1 $${FILE} | grep definitely; \
 	done
-	valgrind --leak-check=full --log-fd=1 ./test/unit/run | grep definitely
+	@source localize.sh && source mapnik-settings.env && \
+	    valgrind --leak-check=full --log-fd=1 ./test/unit/run | grep definitely
 
 render:
 	@for FILE in tests/data/good_maps/*xml; do \
diff --git a/bootstrap.sh b/bootstrap.sh
index 9d7ee7a57..65e8caab8 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -115,9 +115,10 @@ SAMPLE_INPUT_PLUGINS = True
 }
 
 function setup_runtime_settings() {
-    export PROJ_LIB=${MASON_LINKED_ABS}/share/proj
-    export ICU_DATA=${MASON_LINKED_ABS}/share/icu/54.1
-    export GDAL_DATA=${MASON_LINKED_ABS}/share/gdal
+    echo "export PROJ_LIB=${MASON_LINKED_ABS}/share/proj" > mapnik-settings.env
+    echo "export ICU_DATA=${MASON_LINKED_ABS}/share/icu/54.1" >> mapnik-settings.env
+    echo "export GDAL_DATA=${MASON_LINKED_ABS}/share/gdal" >> mapnik-settings.env
+    source mapnik-settings.env
 }
 
 function main() {
diff --git a/localize.sh b/localize.sh
index 58287eea7..628c1b2f8 100755
--- a/localize.sh
+++ b/localize.sh
@@ -1,12 +1,8 @@
 #!/bin/bash
-UNAME=$(uname -s)
+# TODO - use rpath to avoid needing this to run tests locally
 export CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-if [ ${UNAME} = 'Darwin' ]; then
+if [ $(uname -s) = 'Darwin' ]; then
     export DYLD_LIBRARY_PATH="${CURRENT_DIR}/src/":${DYLD_LIBRARY_PATH}
 else
     export LD_LIBRARY_PATH="${CURRENT_DIR}/src/":${LD_LIBRARY_PATH}
-fi
-export MAPNIK_FONT_DIRECTORY="${CURRENT_DIR}/fonts/dejavu-fonts-ttf-2.34/ttf/"
-export MAPNIK_INPUT_PLUGINS_DIRECTORY="${CURRENT_DIR}/plugins/input/"
-export PATH="${CURRENT_DIR}/utils/mapnik-config":${PATH}
-export PATH="${CURRENT_DIR}/utils/nik2img":${PATH}
+fi
\ No newline at end of file