diff --git a/regression_test/map_param/parallel_mode/.gitignore b/regression_test/map_param/parallel_mode/.gitignore
deleted file mode 100644
index f9a644002a83b3bc48d7a6bb30cde2b894e43815..0000000000000000000000000000000000000000
--- a/regression_test/map_param/parallel_mode/.gitignore
+++ /dev/null
@@ -1,12 +0,0 @@
-map_param_parallel
-map_param_parallel.exe
-common*.cc
-common*.hh
-parallel_test*.cc
-parallel_test*.hh
-*.o
-*.d
-PT.cc
-PT.hh
-common.ttcn
-map_param_parallel*.log
diff --git a/regression_test/map_param/parallel_mode/Makefile b/regression_test/map_param/parallel_mode/Makefile
deleted file mode 100644
index ba617ec005084ae86020f489593d0182eaff92f4..0000000000000000000000000000000000000000
--- a/regression_test/map_param/parallel_mode/Makefile
+++ /dev/null
@@ -1,65 +0,0 @@
-##############################################################################
-# Copyright (c) 2000-2020 Ericsson Telecom AB
-# All rights reserved. This program and the accompanying materials
-# are made available under the terms of the Eclipse Public License v2.0
-# which accompanies this distribution, and is available at
-# https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
-#
-# Contributors:
-#   Baranyi, Botond
-#
-##############################################################################
-TOPDIR := ../..
-include $(TOPDIR)/Makefile.regression
-
-.PHONY: all clean dep run
-
-TTCN3_LIB = ttcn3$(RT2_SUFFIX)-parallel$(DYNAMIC_SUFFIX)
-
-COMMON_TTCN3_MODULES = common.ttcn
-TTCN3_MODULES = $(COMMON_TTCN3_MODULES) parallel_test.ttcn
-
-GENERATED_SOURCES = $(TTCN3_MODULES:.ttcn=.cc)
-GENERATED_HEADERS = $(GENERATED_SOURCES:.cc=.hh)
-ifdef CODE_SPLIT
-GENERATED_SOURCES := $(foreach file, $(GENERATED_SOURCES:.cc=), $(addprefix $(file), .cc _seq.cc _set.cc  _seqof.cc _setof.cc _union.cc))
-else ifdef SPLIT_TO_SLICES
-POSTFIXES := $(foreach file, $(SPLIT_TO_SLICES), $(addsuffix $(file), _part_))
-POSTFIXES := $(foreach file, $(POSTFIXES), $(addprefix $(file), .cc))
-GENERATED_SOURCES2 := $(foreach file, $(GENERATED_SOURCES:.cc=), $(addprefix $(file), $(POSTFIXES)))
-GENERATED_SOURCES += $(GENERATED_SOURCES2)
-endif
-
-PORT_SOURCES = PT.cc
-PORT_HEADERS = $(PORT_SOURCES:.cc=.hh)
-
-
-OBJECTS = $(GENERATED_SOURCES:.cc=.o) $(PORT_SOURCES:.cc=.o) 
-
-TARGET = map_param_parallel$(EXESUFFIX)
-
-all: $(TARGET)
-
-$(COMMON_TTCN3_MODULES) $(PORT_SOURCES) $(PORT_HEADERS):
-	ln -s ../$@
-
-$(TARGET): $(OBJECTS)
-	$(CXX) $(LDFLAGS) -o $@ $(OBJECTS) -L$(TTCN3_DIR)/lib -l$(TTCN3_LIB) -L$(OPENSSL_DIR)/lib -lcrypto $($(PLATFORM)_LIBS)
-
-.cc.o:
-	$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $<
-
-$(GENERATED_SOURCES) $(GENERATED_HEADERS): $(TTCN3_MODULES) $(PORT_HEADERS)
-	$(TTCN3_COMPILER) $(TTCN3_MODULES)
-
-clean distclean:
-	-rm -f $(TARGET) $(OBJECTS) $(GENERATED_HEADERS) \
-	$(GENERATED_SOURCES) *.log Makefile.bak
-
-dep: $(GENERATED_SOURCES)
-	makedepend $(CPPFLAGS) $(GENERATED_SOURCES)
-
-run: $(TARGET)
-	$(TTCN3_DIR)/bin/ttcn3_start $(TARGET) parallel.cfg
-
-