diff --git a/test/Makefile b/test/Makefile
index c13f2212d..1ad86ca98 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -11,10 +11,9 @@ endif
 
 ifdef CMD_EXE
   EXE := .exe
-  DEL = del /f $(subst /,\,$1)
+  DEL = -del /f $(subst /,\,$1)
   MKDIR = mkdir $(subst /,\,$1)
-  DIRLIST = $(strip $(foreach dir,$1,$(wildcard $(dir))))
-  RMDIR = $(if $(DIRLIST),rmdir /s /q $(subst /,\,$(DIRLIST)))
+  RMDIR = -rmdir /s /q $(subst /,\,$1)
 else
   EXE :=
   DEL = $(RM) $1
diff --git a/test/err/Makefile b/test/err/Makefile
index ff927ada0..454a560ce 100644
--- a/test/err/Makefile
+++ b/test/err/Makefile
@@ -7,7 +7,7 @@ endif
 
 ifdef CMD_EXE
   NOT := - # Hack
-  DEL = del /f $(subst /,\,$1)
+  DEL = -del /f $(subst /,\,$1)
 else
   NOT := !
   DEL = $(RM) $1
@@ -44,5 +44,5 @@ $(WORKDIR)/%.or.prg: %.c
 	$(NOT) $(CL65) -Or $(CC65FLAGS) $< -o $@
 
 clean:
-	-@$(call DEL,$(TESTS))
-	-@$(call DEL,$(SOURCES:.c=.o))
+	@$(call DEL,$(TESTS))
+	@$(call DEL,$(SOURCES:.c=.o))
diff --git a/test/misc/Makefile b/test/misc/Makefile
index ca4870663..918316c6c 100644
--- a/test/misc/Makefile
+++ b/test/misc/Makefile
@@ -8,7 +8,7 @@ endif
 ifdef CMD_EXE
   S := $(subst /,\,/)
   NOT := - # Hack
-  DEL = del /f $(subst /,\,$1)
+  DEL = -del /f $(subst /,\,$1)
 else
   S := /
   NOT := !
@@ -58,6 +58,6 @@ $(WORKDIR)/cc65141011%prg: cc65141011.c
 	-$(SIM65) $(SIM65FLAGS) $@
 
 clean:
-	-@$(call DEL,$(TESTS))
-	-@$(call DEL,$(SOURCES:.c=.o))
-	-@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.out))
+	@$(call DEL,$(TESTS))
+	@$(call DEL,$(SOURCES:.c=.o))
+	@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.out))
diff --git a/test/ref/Makefile b/test/ref/Makefile
index 14d78c37c..09dd96d44 100644
--- a/test/ref/Makefile
+++ b/test/ref/Makefile
@@ -8,7 +8,7 @@ endif
 
 ifdef CMD_EXE
   S := $(subst /,\,/)
-  DEL = del /f $(subst /,\,$1)
+  DEL = -del /f $(subst /,\,$1)
 else
   S := /
   DEL = $(RM) $1
@@ -89,8 +89,8 @@ $(WORKDIR)/%.or.prg: %.c $(WORKDIR)/%.ref
 	$(DIFF) $(WORKDIR)/$*.out $(WORKDIR)/$*.ref
 
 clean:
-	-@$(call DEL,$(TESTS))
-	-@$(call DEL,$(SOURCES:.c=.o))
-	-@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.out))
-	-@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.ref))
-	-@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.host))
+	@$(call DEL,$(TESTS))
+	@$(call DEL,$(SOURCES:.c=.o))
+	@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.out))
+	@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.ref))
+	@$(call DEL,$(SOURCES:%.c=$(WORKDIR)/%.host))
diff --git a/test/val/Makefile b/test/val/Makefile
index 4de47c6b5..4ad8160ef 100644
--- a/test/val/Makefile
+++ b/test/val/Makefile
@@ -6,7 +6,7 @@ ifneq ($(shell echo),)
 endif
 
 ifdef CMD_EXE
-  DEL = del /f $(subst /,\,$1)
+  DEL = -del /f $(subst /,\,$1)
 else
   DEL = $(RM) $1
 endif
@@ -66,5 +66,5 @@ $(WORKDIR)/%.or.prg: %.c
 	$(SIM65) $(SIM65FLAGS) $@
 
 clean:
-	-@$(call DEL,$(TESTS))
-	-@$(call DEL,$(SOURCES:.c=.o))
+	@$(call DEL,$(TESTS))
+	@$(call DEL,$(SOURCES:.c=.o))