diff --git a/src/common/ObjectControls.tsx b/src/common/ObjectControls.tsx
index e41ae43..df32828 100644
--- a/src/common/ObjectControls.tsx
+++ b/src/common/ObjectControls.tsx
@@ -34,14 +34,14 @@ interface Props {
 }
 
 const useStyles = makeStyles((theme: Theme) => ({
-    avatar: {
-      color: useThemeType() === "light" ? theme.palette.common.black : theme.palette.common.white,
-      backgroundColor: "transparent",
-      width: theme.spacing(5),
-      height: theme.spacing(5),
-      border: "1px solid",
-      borderColor: theme.palette.divider
-    }
+  avatar: {
+    color: theme.palette.mode === "light" ? theme.palette.common.black : theme.palette.common.white,
+    backgroundColor: "transparent",
+    width: theme.spacing(5),
+    height: theme.spacing(5),
+    border: "1px solid",
+    borderColor: theme.palette.divider
+  }
 }));
 
 export default function ObjectControls(props: Props) {
@@ -215,4 +215,4 @@ export default function ObjectControls(props: Props) {
       </Grid>
     </Box>
   );
-}
+}
\ No newline at end of file
diff --git a/src/pages/Contract.tsx b/src/pages/Contract.tsx
index 448a852..10f140d 100644
--- a/src/pages/Contract.tsx
+++ b/src/pages/Contract.tsx
@@ -52,31 +52,28 @@ function TabPanelMine(props: TabPanelProps) {
   );
 }
 
-const useStyles = makeStyles((theme: Theme) => {
-  const themeType = useThemeType();
-  return ({
-    inactiveButton: {
-      color: themeType === "light" ? theme.palette.common.black : theme.palette.common.white,
-      backgroundColor: "transparent",
-      width: theme.spacing(5),
-      height: theme.spacing(5),
-      border: "1px solid",
-      borderColor: theme.palette.divider
-    },
-    activeButton: {
-      color: themeType === "light" ? theme.palette.common.black : theme.palette.common.white,
-      backgroundColor: theme.palette.primary.main,
-      width: theme.spacing(5),
-      height: theme.spacing(5),
-      border: "1px solid",
-      borderColor: theme.palette.divider
-    },
-    drawerPaper: {
-      height: "100%",
-      width: "30%"
-    }
-  });
-});
+const useStyles = makeStyles((theme: Theme) => ({
+  inactiveButton: {
+    color: theme.palette.mode === "light" ? theme.palette.common.black : theme.palette.common.white,
+    backgroundColor: "transparent",
+    width: theme.spacing(5),
+    height: theme.spacing(5),
+    border: "1px solid",
+    borderColor: theme.palette.divider
+  },
+  activeButton: {
+    color: theme.palette.mode === "light" ? theme.palette.common.black : theme.palette.common.white,
+    backgroundColor: theme.palette.primary.main,
+    width: theme.spacing(5),
+    height: theme.spacing(5),
+    border: "1px solid",
+    borderColor: theme.palette.divider
+  },
+  drawerPaper: {
+    height: "100%",
+    width: "30%"
+  }
+}));
 
 export default function Contract() {
   // const match = useRouteMatch<MatchParams>();