diff --git a/programs/Makefile b/programs/Makefile
index 4bf11062c..82c856996 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -7,10 +7,6 @@ else
 DLOPEN_LDFLAGS ?=
 endif
 
-# Support code used by test programs and test builds, excluding TLS-specific
-# code which is in the src/test_helpers subdirectory.
-MBEDTLS_TEST_OBJS = $(patsubst %.c,%.o,$(wildcard ${MBEDTLS_TEST_PATH}/src/*.c ${MBEDTLS_TEST_PATH}/src/drivers/*.c))
-
 DEP=${MBEDLIBS} ${MBEDTLS_TEST_OBJS}
 
 # Only build the dlopen test in shared library builds, and not when building
diff --git a/scripts/common.make b/scripts/common.make
index e8d22cb74..6c95b4235 100644
--- a/scripts/common.make
+++ b/scripts/common.make
@@ -105,3 +105,15 @@ ifndef WINDOWS
 else
 	for %f in ($(subst /,\,$(GENERATED_FILES))) if exist %f del /Q /F %f
 endif
+
+# Auxiliary modules used by tests and some sample programs
+MBEDTLS_CORE_TEST_OBJS = $(patsubst %.c,%.o,$(wildcard \
+    ${MBEDTLS_TEST_PATH}/src/*.c \
+    ${MBEDTLS_TEST_PATH}/src/drivers/*.c \
+  ))
+# Additional auxiliary modules for TLS testing
+MBEDTLS_TLS_TEST_OBJS = $(patsubst %.c,%.o,$(wildcard \
+    ${MBEDTLS_TEST_PATH}/src/test_helpers/*.c \
+  ))
+
+MBEDTLS_TEST_OBJS = $(MBEDTLS_CORE_TEST_OBJS) $(MBEDTLS_TLS_TEST_OBJS)
diff --git a/tests/Makefile b/tests/Makefile
index 848d3c499..f82c267ac 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -110,9 +110,6 @@ BINARIES := $(addsuffix $(EXEXT),$(APPS))
 
 all: $(BINARIES)
 
-MBEDTLS_TEST_OBJS = $(patsubst %.c,%.o,$(wildcard ${MBEDTLS_TEST_PATH}/src/*.c ${MBEDTLS_TEST_PATH}/src/drivers/*.c))
-MBEDTLS_TEST_OBJS += $(patsubst %.c,%.o,$(wildcard ${MBEDTLS_TEST_PATH}/src/test_helpers/*.c))
-
 mbedtls_test: $(MBEDTLS_TEST_OBJS)
 
 TEST_OBJS_DEPS = $(wildcard include/test/*.h include/test/*/*.h)