diff --git a/Makefile b/Makefile
index 59abedf..eb361c2 100644
--- a/Makefile
+++ b/Makefile
@@ -105,8 +105,6 @@ TESTDIR=$(CURDIR)/tests/integration/programs
 .PHONY: integration-test
 integration-test: TESTS     ?= $(shell find $(TESTDIR) -type f -name "*.rs")
 integration-test: SMIR      ?= $(CURDIR)/run.sh -Z no-codegen
-# before comparison we want to clean the files up
-integration-test: PRE_FILTER ?= jq -e -f $(TESTDIR)/../pre-filter.jq
 # override this to tweak how expectations are formatted
 integration-test: NORMALIZE ?= jq -S -e -f $(TESTDIR)/../normalise-filter.jq
 # override this to re-make golden files
@@ -117,15 +115,13 @@ integration-test: build
 	for rust in ${TESTS}; do \
 		target=$${rust%.rs}.smir.json; \
 		dir=$$(dirname $${rust}); \
-		${PRE_FILTER} $${target}.expected > temp.json; \
 		echo "$$rust"; \
 		${SMIR} --out-dir $${dir} $${rust} || report "$$rust" "Conversion failed"; \
 		[ -f $${target} ] \
-			&& ${PRE_FILTER} $${target} | ${NORMALIZE} ${DIFF} temp.json \
+			&& ${NORMALIZE} $${target} ${DIFF} $${target}.expected \
 			&& rm $${target} \
 			|| report "$$rust" "Unexpected json output"; \
 		done; \
-		rm -rf temp.json;
 	[ -z "$$errors" ] || (echo "===============\nFAILING TESTS:$$errors"; exit 1)
 
 
diff --git a/tests/integration/normalise-filter.jq b/tests/integration/normalise-filter.jq
index 23c7e97..5b63a49 100644
--- a/tests/integration/normalise-filter.jq
+++ b/tests/integration/normalise-filter.jq
@@ -1,3 +1,8 @@
+# Remove the hashes at the end of mangled names
+.functions = ( [ .functions[] | if .[1].NormalSym then .[1].NormalSym = .[1].NormalSym[:-17] else .  end ] )
+    | .items = ( [ .items[] | if .symbol_name then .symbol_name = .symbol_name[:-17] else .  end ] )
+    |
+# Apply the normalisation filter
 { allocs:
     ( [ .allocs[] ]
 # sort allocs by their ID
diff --git a/tests/integration/pre-filter.jq b/tests/integration/pre-filter.jq
deleted file mode 100644
index c68d20d..0000000
--- a/tests/integration/pre-filter.jq
+++ /dev/null
@@ -1,2 +0,0 @@
-.functions = ( [ .functions[] | if .[1].NormalSym then .[1].NormalSym = .[1].NormalSym[:-17] else .  end ] )
-    | .items = ( [ .items[] | if .symbol_name then .symbol_name = .symbol_name[:-17] else .  end ] )
\ No newline at end of file