diff --git a/.github/workflows/asan.yml b/.github/workflows/asan.yml
index 38e90cb760a..4609aa88621 100644
--- a/.github/workflows/asan.yml
+++ b/.github/workflows/asan.yml
@@ -23,7 +23,6 @@ jobs:
     env:
       QT_VERSION: 6.10.0
       ASAN_OPTIONS: detect_stack_use_after_return=1
-      LSAN_OPTIONS: suppressions=lsan-suppr.txt:print_suppressions=0
       # TODO: figure out why there are cache misses with PCH enabled
       CCACHE_SLOPPINESS: pch_defines,time_macros
 
@@ -100,7 +99,6 @@ jobs:
 
       - name: Run CTest
         run: |
-          cp lsan-suppr.txt cmake.output/bin
           ctest --test-dir cmake.output --output-on-failure -j$(nproc)
 
       - name: Run test/cli
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
index 9a6026aa25b..e0192351906 100644
--- a/.github/workflows/valgrind.yml
+++ b/.github/workflows/valgrind.yml
@@ -51,7 +51,7 @@ jobs:
       - name: Run valgrind
         run: |
           ec=0
-          valgrind --error-limit=yes --leak-check=full --num-callers=50 --show-reachable=yes --track-origins=yes --suppressions=valgrind/testrunner.supp --gen-suppressions=all --log-fd=9 --error-exitcode=42 ./testrunner TestGarbage TestOther TestSimplifyTemplate 9>memcheck.log || ec=1
+          valgrind --error-limit=yes --leak-check=full --num-callers=50 --show-reachable=yes --track-origins=yes --suppressions=valgrind/testrunner.supp --gen-suppressions=all -s --log-fd=9 --error-exitcode=42 ./testrunner TestGarbage TestOther TestSimplifyTemplate TestRegEx 9>memcheck.log || ec=1
           cat memcheck.log
           exit $ec
         # TODO: debuginfod.ubuntu.com is currently not responding to any requests causing it to run into a 40(!) minute timeout
diff --git a/lib/regex.cpp b/lib/regex.cpp
index 6ad9ad440b0..af3bf44e7cc 100644
--- a/lib/regex.cpp
+++ b/lib/regex.cpp
@@ -167,7 +167,7 @@ namespace {
         ~PcreRegex() override
         {
             if (mExtra) {
-                pcre_free(mExtra);
+                pcre_free_study(mExtra);
                 mExtra = nullptr;
             }
             if (mRe) {
diff --git a/lsan-suppr.txt b/lsan-suppr.txt
deleted file mode 100644
index bf8389f247e..00000000000
--- a/lsan-suppr.txt
+++ /dev/null
@@ -1 +0,0 @@
-leak:libpcre.so
\ No newline at end of file
diff --git a/valgrind/testrunner.supp b/valgrind/testrunner.supp
index 98e30d241ce..558e74a2aca 100644
--- a/valgrind/testrunner.supp
+++ b/valgrind/testrunner.supp
@@ -14,3 +14,9 @@
    obj:*
    obj:*
 }
+{
+   TestRegEx::partialmatch false positive
+   Memcheck:Cond
+   obj:*
+   obj:*
+}