diff --git a/debian/changelog b/debian/changelog
index c34b4eda..db46b709 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -5,9 +5,6 @@ llvm-toolchain-12 (1:12.0.1~+rc1-1) unstable; urgency=medium
   * Add upstream patch D98575 to fix 32-bit compiler-rt build on sparc64
 
   [ Sylvestre Ledru ]
-  * Add -fvisibility-inlines-hidden -Bsymbolic-functions -fno-semantic-interposition
-    to the args to make clang faster
-    See https://github.com/ClangBuiltLinux/tc-build/issues/150#issuecomment-849935207
   * backport D101773 to fix an llvm ir issue on mipsel
     in mips/mips-D101773-reloc.patch
     thanks to Ximin Luo
diff --git a/debian/rules b/debian/rules
index 3772960f..a5d9445e 100755
--- a/debian/rules
+++ b/debian/rules
@@ -38,8 +38,8 @@ DH_VERSION := $(shell dpkg -s debhelper | grep '^Version' | awk '{print $$2}')
 include /usr/share/dpkg/architecture.mk
 
 LDFLAGS_EXTRA =
-CXXFLAGS_EXTRA = -fvisibility-inlines-hidden -fno-semantic-interposition # performance reasons
-CFLAGS_EXTRA = -Bsymbolic-functions # perf reasons
+CXXFLAGS_EXTRA =
+CFLAGS_EXTRA =
 CONFIGURE_EXTRA =
 CMAKE_EXTRA = -DPYTHON_EXECUTABLE=/usr/bin/python3