3 files changed, 3 insertions, 12 deletions
diff --git a/mesonbuild/compilers/mixins/clang.py b/mesonbuild/compilers/mixins/clang.py
index 773d9dc..acdb352 100644
--- a/mesonbuild/compilers/mixins/clang.py
+++ b/mesonbuild/compilers/mixins/clang.py
@@ -77,13 +77,6 @@ class ClangCompiler(GnuLikeCompiler):
         # so it might change semantics at any time.
         return ['-include-pch', os.path.join(pch_dir, self.get_pch_name(header))]
 
-    def get_lto_compile_args(self, lto_type: str) -> T.List[str]:
-        if lto_type == 'thin':
-            return ['-flto=thin']
-        if lto_type == 'true':
-            return ['-flto']
-        return []
-
     def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
         myargs = []  # type: T.List[str]
         if mode is CompileCheckMode.COMPILE:
diff --git a/mesonbuild/compilers/mixins/gnu.py b/mesonbuild/compilers/mixins/gnu.py
index 5771ad8..bb1fc66 100644
--- a/mesonbuild/compilers/mixins/gnu.py
+++ b/mesonbuild/compilers/mixins/gnu.py
@@ -295,10 +295,8 @@ class GnuLikeCompiler(Compiler, metaclass=abc.ABCMeta):
                 return self._split_fetch_real_dirs(line.split('=', 1)[1])
         return []
 
-    def get_lto_compile_args(self, lto_type: str) -> T.List[str]:
-        if lto_type != 'false':
-            return ['-flto']
-        return []
+    def get_lto_compile_args(self) -> T.List[str]:
+        return ['-flto']
 
     def sanitizer_compile_args(self, value: str) -> T.List[str]:
         if value == 'none':
diff --git a/mesonbuild/compilers/mixins/islinker.py b/mesonbuild/compilers/mixins/islinker.py
index 67ac497..2445eec 100644
--- a/mesonbuild/compilers/mixins/islinker.py
+++ b/mesonbuild/compilers/mixins/islinker.py
@@ -48,7 +48,7 @@ class BasicLinkerIsCompilerMixin(Compiler):
     def sanitizer_link_args(self, value: str) -> T.List[str]:
         return []
 
-    def get_lto_link_args(self, lto_type: str) -> T.List[str]:
+    def get_lto_link_args(self) -> T.List[str]:
         return []
 
     def can_linker_accept_rsp(self) -> bool: