diff --git a/.travis.yml b/.travis.yml
index f698fef1..33aa2cb5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -35,7 +35,6 @@ matrix:
         homebrew:
           packages:
             - python
-            - valgrind
     - os: osx
       osx_image: xcode10.1
       compiler: gcc
@@ -44,7 +43,6 @@ matrix:
           packages:
             - gcc@8
             - python
-            - valgrind
       env:
         - MAKETARGET=test-all
 
diff --git a/Makefile b/Makefile
index 9e21dbda..c37a7f79 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,11 @@ run-functest: bin/functest_$(subst /,_,$(SCHEME))
 
 .PHONY: run-valgrind
 run-valgrind: bin/functest_$(subst /,_,$(SCHEME))
+ifeq ($(shell uname -s),Linux)
 	valgrind --leak-check=full --error-exitcode=1 $<
+else
+	echo "Valgrind not supported on this platform."
+endif
 
 bin/sanitizer_$(subst /,_,$(SCHEME)): test/$(dir $(SCHEME))functest.c $(wildcard $(SCHEME)/clean/*.c) $(wildcard $(SCHEME)/clean/*.h) | require_scheme
 	mkdir -p bin
@@ -159,7 +163,7 @@ run-symbol-namespace: test/check_symbol_namespace.py | require_scheme
 
 .PHONY: run-testvectors-all
 run-testvectors-all: test/check_testvectors.py
-	@for scheme in $(ALL_SCHEMES); do \
+	for scheme in $(ALL_SCHEMES); do \
 	    python3 test/check_testvectors.py $$scheme || exit 1; \
 	done
 
diff --git a/test/check_testvectors.py b/test/check_testvectors.py
index 4d473cd8..425a0aad 100644
--- a/test/check_testvectors.py
+++ b/test/check_testvectors.py
@@ -28,7 +28,10 @@ expectedTestvectorsHash = get_hash(SCHEME)
 
 subprocess.run(["make", "testvectors", "SCHEME={}".format(SCHEME)])
 implementations = [
-    x for x in os.listdir('bin') if 'testvectors' in x and SCHEMEFULL in x]
+    x for x in os.listdir('bin')
+    if 'testvectors' in x and SCHEMEFULL in x and '.dSYM' not in x
+
+]
 
 for impl in implementations:
     testvectors = subprocess.run(["bin/{}".format(impl)],