3 files changed, 3 insertions, 9 deletions
diff --git a/mesonbuild/compilers/compilers.py b/mesonbuild/compilers/compilers.py
index ed77df6..de5e472 100644
--- a/mesonbuild/compilers/compilers.py
+++ b/mesonbuild/compilers/compilers.py
@@ -32,13 +32,13 @@ from ..arglist import CompilerArgs
 
 if T.TYPE_CHECKING:
     from ..build import BuildTarget
-    from ..coredata import OptionDictType, KeyedOptionDictType
+    from ..coredata import KeyedOptionDictType
     from ..envconfig import MachineInfo
     from ..environment import Environment
     from ..linkers import DynamicLinker, RSPFileSyntax
     from ..dependencies import Dependency
 
-    CompilerType = T.TypeVar('CompilerType', bound=Compiler)
+    CompilerType = T.TypeVar('CompilerType', bound='Compiler')
     _T = T.TypeVar('_T')
 
 """This file contains the data files of all compilers Meson knows
diff --git a/mesonbuild/compilers/detect.py b/mesonbuild/compilers/detect.py
index de1845a..59b425b 100644
--- a/mesonbuild/compilers/detect.py
+++ b/mesonbuild/compilers/detect.py
@@ -142,7 +142,6 @@ import typing as T
 if T.TYPE_CHECKING:
     from ..environment import Environment
     from ..programs import ExternalProgram
-    from .compilers import CompilerType
 
 
 
diff --git a/mesonbuild/compilers/mixins/intel.py b/mesonbuild/compilers/mixins/intel.py
index 89f3518..1417743 100644
--- a/mesonbuild/compilers/mixins/intel.py
+++ b/mesonbuild/compilers/mixins/intel.py
@@ -28,11 +28,6 @@ from ..compilers import CompileCheckMode
 from .gnu import GnuLikeCompiler
 from .visualstudio import VisualStudioLikeCompiler
 
-if T.TYPE_CHECKING:
-    from ...arglist import CompilerArgs
-    from ...dependencies import Dependency
-    from ...environment import Environment
-
 # XXX: avoid circular dependencies
 # TODO: this belongs in a posix compiler class
 # NOTE: the default Intel optimization is -O2, unlike GNU which defaults to -O0.
@@ -186,4 +181,4 @@ class IntelVisualStudioLikeCompiler(VisualStudioLikeCompiler):
         return self.OPTIM_ARGS[optimization_level]
 
     def get_pch_base_name(self, header: str) -> str:
-        return os.path.basename(header)
-\ No newline at end of file
+        return os.path.basename(header)