diff --git a/impeller/toolkit/glvk/trampoline.cc b/impeller/toolkit/glvk/trampoline.cc
index 83ac20a14bbb8..eda8595a0c5e1 100644
--- a/impeller/toolkit/glvk/trampoline.cc
+++ b/impeller/toolkit/glvk/trampoline.cc
@@ -272,12 +272,12 @@ bool Trampoline::BlitTextureOpenGLToVulkan(
   gl.BufferData(GL_ARRAY_BUFFER, sizeof(kVertData), kVertData, GL_STATIC_DRAW);
   gl.EnableVertexAttribArray(kAttributeIndexPosition);
   gl.EnableVertexAttribArray(kAttributeIndexTexCoord);
-  gl.VertexAttribPointer(kAttributeIndexPosition, 2, GL_FLOAT, GL_FALSE,
-                         sizeof(VertexData),
-                         (void*)offsetof(VertexData, position));
-  gl.VertexAttribPointer(kAttributeIndexTexCoord, 2, GL_FLOAT, GL_FALSE,
-                         sizeof(VertexData),
-                         (void*)offsetof(VertexData, tex_coord));
+  gl.VertexAttribPointer(
+      kAttributeIndexPosition, 2, GL_FLOAT, GL_FALSE, sizeof(VertexData),
+      reinterpret_cast<void*>(offsetof(VertexData, position)));
+  gl.VertexAttribPointer(
+      kAttributeIndexTexCoord, 2, GL_FLOAT, GL_FALSE, sizeof(VertexData),
+      reinterpret_cast<void*>(offsetof(VertexData, tex_coord)));
 
   gl.ActiveTexture(GL_TEXTURE0);
   gl.BindTexture(src_texture.target, src_texture.texture);
diff --git a/shell/platform/android/image_external_texture_gl_skia.cc b/shell/platform/android/image_external_texture_gl_skia.cc
index 3d9d6adb34ddb..cc2799f407de1 100644
--- a/shell/platform/android/image_external_texture_gl_skia.cc
+++ b/shell/platform/android/image_external_texture_gl_skia.cc
@@ -36,7 +36,7 @@ void ImageExternalTextureGLSkia::BindImageToTexture(
   }
   glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex);
   glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES,
-                               (GLeglImageOES)image.get().image);
+                               static_cast<GLeglImageOES>(image.get().image));
 }
 
 sk_sp<flutter::DlImage> ImageExternalTextureGLSkia::CreateDlImage(
diff --git a/shell/platform/android/platform_view_android_jni_impl.cc b/shell/platform/android/platform_view_android_jni_impl.cc
index 7ad6f075115e0..8977d21ffb0cd 100644
--- a/shell/platform/android/platform_view_android_jni_impl.cc
+++ b/shell/platform/android/platform_view_android_jni_impl.cc
@@ -1358,11 +1358,11 @@ double PlatformViewAndroidJNIImpl::FlutterViewGetScaledFontSize(
     return -3;
   }
 
-  const jfloat scaledSize =
-      env->CallFloatMethod(java_object.obj(), g_get_scaled_font_size_method,
-                           (jfloat)font_size, (jint)configuration_id);
+  const jfloat scaledSize = env->CallFloatMethod(
+      java_object.obj(), g_get_scaled_font_size_method,
+      static_cast<jfloat>(font_size), static_cast<jint>(configuration_id));
   FML_CHECK(fml::jni::CheckException(env));
-  return (double)scaledSize;
+  return static_cast<double>(scaledSize);
 }
 
 void PlatformViewAndroidJNIImpl::FlutterViewUpdateSemantics(
diff --git a/shell/platform/linux/fl_renderer.cc b/shell/platform/linux/fl_renderer.cc
index 90b3c4d95cc06..600dab0665bc2 100644
--- a/shell/platform/linux/fl_renderer.cc
+++ b/shell/platform/linux/fl_renderer.cc
@@ -324,9 +324,9 @@ static void fl_renderer_init(FlRenderer* self) {
       fl_renderer_get_instance_private(self));
   priv->views = g_hash_table_new_full(g_direct_hash, g_direct_equal, nullptr,
                                       free_weak_ref);
-  priv->framebuffers_by_view_id =
-      g_hash_table_new_full(g_direct_hash, g_direct_equal, nullptr,
-                            (GDestroyNotify)g_ptr_array_unref);
+  priv->framebuffers_by_view_id = g_hash_table_new_full(
+      g_direct_hash, g_direct_equal, nullptr,
+      reinterpret_cast<GDestroyNotify>(g_ptr_array_unref));
 }
 
 void fl_renderer_set_engine(FlRenderer* self, FlEngine* engine) {
diff --git a/shell/platform/linux/testing/fl_mock_binary_messenger.cc b/shell/platform/linux/testing/fl_mock_binary_messenger.cc
index a2d37b71580db..93e21fbdb6819 100644
--- a/shell/platform/linux/testing/fl_mock_binary_messenger.cc
+++ b/shell/platform/linux/testing/fl_mock_binary_messenger.cc
@@ -320,19 +320,22 @@ static void fl_mock_binary_messenger_iface_init(
 }
 
 static void fl_mock_binary_messenger_init(FlMockBinaryMessenger* self) {
-  self->handlers = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
-                                         (GDestroyNotify)handler_free);
+  self->handlers =
+      g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+                            reinterpret_cast<GDestroyNotify>(handler_free));
 
   self->mock_channels = g_hash_table_new_full(
-      g_str_hash, g_str_equal, g_free, (GDestroyNotify)mock_channel_free);
-  self->mock_message_channels =
-      g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
-                            (GDestroyNotify)mock_message_channel_free);
-  self->mock_method_channels =
-      g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
-                            (GDestroyNotify)mock_method_channel_free);
+      g_str_hash, g_str_equal, g_free,
+      reinterpret_cast<GDestroyNotify>(mock_channel_free));
+  self->mock_message_channels = g_hash_table_new_full(
+      g_str_hash, g_str_equal, g_free,
+      reinterpret_cast<GDestroyNotify>(mock_message_channel_free));
+  self->mock_method_channels = g_hash_table_new_full(
+      g_str_hash, g_str_equal, g_free,
+      reinterpret_cast<GDestroyNotify>(mock_method_channel_free));
   self->mock_error_channels = g_hash_table_new_full(
-      g_str_hash, g_str_equal, g_free, (GDestroyNotify)mock_error_channel_free);
+      g_str_hash, g_str_equal, g_free,
+      reinterpret_cast<GDestroyNotify>(mock_error_channel_free));
 }
 
 FlMockBinaryMessenger* fl_mock_binary_messenger_new() {