diff --git a/Makefile.am b/Makefile.am
index 0b4efa0f7a..8337120150 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -178,7 +178,7 @@ $(BITCOIN_TX_BIN): FORCE
 	$(MAKE) -C src $(@F)
 
 if USE_LCOV
-LCOV_FILTER_PATTERN=-p "/usr/include/" -p "/usr/lib/" -p "src/leveldb/" -p "src/crc32c/" -p "src/bench/" -p "src/univalue" -p "src/crypto/ctaes" -p "src/secp256k1"
+LCOV_FILTER_PATTERN=-p "/usr/include/" -p "/usr/lib/" -p "src/immer/" -p "src/leveldb/" -p "src/crc32c/" -p "src/bench/" -p "src/univalue" -p "src/crypto/ctaes" -p "src/secp256k1"
 
 baseline.info:
 	$(LCOV) -c -i -d $(abs_builddir)/src -o $@
diff --git a/contrib/devtools/copyright_header.py b/contrib/devtools/copyright_header.py
index bf1e6a1d23..a76270e746 100755
--- a/contrib/devtools/copyright_header.py
+++ b/contrib/devtools/copyright_header.py
@@ -31,6 +31,7 @@ EXCLUDE_COMPILED = re.compile('|'.join([fnmatch.translate(m) for m in EXCLUDE]))
 EXCLUDE_DIRS = [
     # git subtrees
     "src/crypto/ctaes/",
+    "src/immer/",
     "src/leveldb/",
     "src/secp256k1/",
     "src/univalue/",
diff --git a/test/lint/lint-whitespace.sh b/test/lint/lint-whitespace.sh
index a7b309a000..030b017fd7 100755
--- a/test/lint/lint-whitespace.sh
+++ b/test/lint/lint-whitespace.sh
@@ -31,14 +31,14 @@ if [ -z "${COMMIT_RANGE}" ]; then
 fi
 
 showdiff() {
-  if ! git diff -U0 "${COMMIT_RANGE}" -- "." ":(exclude)depends/patches/" ":(exclude)src/leveldb/" ":(exclude)src/crc32c/" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)doc/release-notes/"; then
+  if ! git diff -U0 "${COMMIT_RANGE}" -- "." ":(exclude)depends/patches/" ":(exclude)src/immer/"  ":(exclude)src/leveldb/" ":(exclude)src/crc32c/" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)doc/release-notes/"; then
     echo "Failed to get a diff"
     exit 1
   fi
 }
 
 showcodediff() {
-  if ! git diff -U0 "${COMMIT_RANGE}" -- *.cpp *.h *.md *.py *.sh ":(exclude)src/leveldb/" ":(exclude)src/crc32c/" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)doc/release-notes/"; then
+  if ! git diff -U0 "${COMMIT_RANGE}" -- *.cpp *.h *.md *.py *.sh ":(exclude)src/immer/" ":(exclude)src/leveldb/" ":(exclude)src/crc32c/" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)doc/release-notes/"; then
     echo "Failed to get a diff"
     exit 1
   fi