diff --git a/common.mk b/common.mk
index 1ae410cb7f..759852c6a9 100644
--- a/common.mk
+++ b/common.mk
@@ -166,7 +166,6 @@ SFC_MFC_TARGETS = \
 	$(MFC_TOP_SMEMS_JSON) \
 	$(MFC_TOP_HRCHY_JSON) \
 	$(MFC_MODEL_HRCHY_JSON) \
-	$(MFC_MODEL_SMEMS_JSON) \
 	$(MFC_FILELIST) \
 	$(MFC_BB_MODS_FILELIST) \
 	$(GEN_COLLATERAL_DIR) \
diff --git a/variables.mk b/variables.mk
index bbd5a6b576..9d6d678a33 100644
--- a/variables.mk
+++ b/variables.mk
@@ -170,7 +170,6 @@ MFC_SMEMS_CONF ?= $(build_dir)/$(long_name).mems.conf
 MFC_FILELIST = $(GEN_COLLATERAL_DIR)/filelist.f
 MFC_BB_MODS_FILELIST = $(GEN_COLLATERAL_DIR)/firrtl_black_box_resource_files.f
 MFC_TOP_SMEMS_JSON = $(GEN_COLLATERAL_DIR)/metadata/seq_mems.json
-MFC_MODEL_SMEMS_JSON = $(GEN_COLLATERAL_DIR)/metadata/tb_seq_mems.json
 
 # macrocompiler smems in/output
 TOP_SMEMS_CONF ?= $(build_dir)/$(long_name).top.mems.conf