diff --git a/debian/changelog b/debian/changelog
index 56da18c8..2adbaa3f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -18,7 +18,8 @@ llvm-toolchain-18 (1:18.1.8-2~exp1) experimental; urgency=medium
     to move the libraries into multi archi directories
   * Bring back libLLVM to be installed in /usr/lib/llvm-18/lib/libLLVM-18.so
     instead of /usr/lib/llvm-18/lib/libLLVM.so
-    This should make the packages co installable again
+    Same for libclang (remove usr/lib/llvm-18/lib/libclang.so.1
+    This should make the packages multiarch co installable again
     (Closes: #1067699, #1067005)
     (LP: #2063207)
   * Introduce the new variable @DEB_HOST_MULTIARCH_LLVM@ in the build system
diff --git a/debian/libclang1-X.Y.links.in b/debian/libclang1-X.Y.links.in
index 3ec0d6ac..db39da7a 100644
--- a/debian/libclang1-X.Y.links.in
+++ b/debian/libclang1-X.Y.links.in
@@ -1,6 +1,4 @@
 # as upstream
 usr/lib/@DEB_HOST_MULTIARCH@/libclang-@LLVM_VERSION@.so.@LLVM_VERSION@ usr/lib/@DEB_HOST_MULTIARCH@/libclang-@LLVM_VERSION@.so.1
 usr/lib/@DEB_HOST_MULTIARCH@/libclang-@LLVM_VERSION@.so.@LLVM_VERSION@ usr/lib/llvm-@LLVM_VERSION@/lib/libclang-@LLVM_VERSION@.so.@LLVM_VERSION@
-usr/lib/llvm-@LLVM_VERSION@/lib/libclang-@LLVM_VERSION@.so.@LLVM_VERSION@ usr/lib/llvm-@LLVM_VERSION@/lib/libclang.so.1
 usr/lib/@DEB_HOST_MULTIARCH@/libclang-@LLVM_VERSION@.so.@LLVM_VERSION@ usr/lib/llvm-@LLVM_VERSION@/lib/libclang-@LLVM_VERSION@.so.1
-usr/lib/llvm-@LLVM_VERSION@/lib/libclang-@LLVM_VERSION@.so.@LLVM_VERSION@ usr/lib/llvm-@LLVM_VERSION@/lib/libclang.so.1
diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index 5bffb0b0..156d0132 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -475,6 +475,12 @@ echo '#include <chrono>
 int main() { }' > foo.cpp
 clang++-$VERSION -std=c++11 foo.cpp
 
+if test -f /usr/lib/llvm-$VERSION/lib/libclang.so.1; then
+    echo "/usr/lib/llvm-$VERSION/lib/libclang.so.1 found."
+    echo "Break the build as it breaks the coinstalability"
+    exit 1
+fi
+
 echo "Testing linking clang-cpp ..."
 
 clang-$VERSION -lclang-cpp$VERSION -v foo.cpp -o o &> /dev/null || true