diff --git a/Makefile b/Makefile
index 82664618..41137e45 100644
--- a/Makefile
+++ b/Makefile
@@ -713,41 +713,6 @@ ifneq ($(GIT_DATE), )
 	CXXFLAGS += -DGIT_DATE=$(GIT_DATE)
 endif
 
-### 3.8 Link Time Optimization
-### This is a mix of compile and link time options because the lto link phase
-### needs access to the optimization flags.
-ifeq ($(optimize),yes)
-ifeq ($(debug), no)
-	ifeq ($(comp),$(filter $(comp),clang icx))
-		CXXFLAGS += -flto=full
-		ifeq ($(comp),icx)
-			CXXFLAGS += -fwhole-program-vtables
-                endif
-		ifeq ($(target_windows),yes)
-			CXXFLAGS += -fuse-ld=lld
-		endif
-		LDFLAGS += $(CXXFLAGS)
-
-# GCC and CLANG use different methods for parallelizing LTO and CLANG pretends to be
-# GCC on some systems.
-	else ifeq ($(comp),gcc)
-	ifeq ($(gccisclang),)
-		CXXFLAGS += -flto -flto-partition=one
-		LDFLAGS += $(CXXFLAGS) -flto=jobserver
-	else
-		CXXFLAGS += -flto=full
-		LDFLAGS += $(CXXFLAGS)
-	endif
-
-# To use LTO and static linking on Windows,
-# the tool chain requires gcc version 10.1 or later.
-	else ifeq ($(comp),mingw)
-		CXXFLAGS += -flto -flto-partition=one
-		LDFLAGS += $(CXXFLAGS) -save-temps
-	endif
-endif
-endif
-
 ### 3.9 Android 5 can only run position independent executables. Note that this
 ### breaks Android 4.0 and earlier.
 ifeq ($(OS), Android)