diff --git a/jbmc/regression/Makefile b/jbmc/regression/Makefile
index 0d85532780a..17b0e94bb01 100644
--- a/jbmc/regression/Makefile
+++ b/jbmc/regression/Makefile
@@ -1,32 +1,27 @@
 # For the best possible utilisation of multiple cores when
 # running tests in parallel, it is important that these directories are
 # listed with decreasing runtimes (i.e. longest running at the top)
-DIRS = janalzyer-taint \
+DIRS = janalyzer-taint \
        jbmc \
        jbmc-concurrency \
        jbmc-cover \
        jbmc-inheritance \
        jbmc-strings \
        jdiff \
-       string-smoke-tests \
+       strings-smoke-tests \
        jbmc-generics \
        # Empty last line
 
-# Tests under goto-gcc cannot be run on Windows, so appveyor.yml unlinks
-# the entire directory under Windows. This variable will contain the list
-# of directories that actually exist on the current platform.
-PLATFORM_DIRS = $(wildcard $(DIRS))
-
 # Run all test directories in sequence
 .PHONY: test
 test:
-	@for dir in $(PLATFORM_DIRS); do \
+	@for dir in $(DIRS); do \
 		$(MAKE) "$$dir" || exit 1; \
 	done;
 
 # Pattern to execute a single test suite directory
-.PHONY: $(PLATFORM_DIRS)
-$(PLATFORM_DIRS):
+.PHONY: $(DIRS)
+$(DIRS):
 	@echo "Running $@..." ;
 	$(MAKE) -C "$@" test || exit 1;
 
@@ -42,7 +37,7 @@ test-parallel:
 		--linebuffer \
 		--jobs $(JOBS) \
 		$(MAKE) "{}" \
-		::: $(PLATFORM_DIRS)
+		::: $(DIRS)
 
 
 .PHONY: clean