diff --git a/packages/react-native/React/Base/RCTConvert.h b/packages/react-native/React/Base/RCTConvert.h
index 8b819fda89e6..8e8a847f6fc4 100644
--- a/packages/react-native/React/Base/RCTConvert.h
+++ b/packages/react-native/React/Base/RCTConvert.h
@@ -80,6 +80,7 @@ typedef NSURL RCTFileURL;
 + (UIReturnKeyType)UIReturnKeyType:(id)json;
 + (UIUserInterfaceStyle)UIUserInterfaceStyle:(id)json API_AVAILABLE(ios(12));
 + (UIInterfaceOrientationMask)UIInterfaceOrientationMask:(NSString *)orientation;
++ (UIModalPresentationStyle)UIModalPresentationStyle:(id)json;
 
 #if !TARGET_OS_TV
 + (UIDataDetectorTypes)UIDataDetectorTypes:(id)json;
diff --git a/packages/react-native/React/Base/RCTConvert.mm b/packages/react-native/React/Base/RCTConvert.mm
index fb5e43c6d2ed..c4b15a1df20b 100644
--- a/packages/react-native/React/Base/RCTConvert.mm
+++ b/packages/react-native/React/Base/RCTConvert.mm
@@ -510,6 +510,17 @@ + (UIKeyboardType)UIKeyboardType:(id)json RCT_DYNAMIC
     NSNotFound,
     unsignedIntegerValue)
 
+RCT_ENUM_CONVERTER(
+    UIModalPresentationStyle,
+    (@{
+      @"fullScreen" : @(UIModalPresentationFullScreen),
+      @"pageSheet" : @(UIModalPresentationPageSheet),
+      @"formSheet" : @(UIModalPresentationFormSheet),
+      @"overFullScreen" : @(UIModalPresentationOverFullScreen),
+    }),
+    UIModalPresentationFullScreen,
+    integerValue)
+
 RCT_ENUM_CONVERTER(
     UIViewContentMode,
     (@{
diff --git a/packages/react-native/React/Views/RCTModalHostViewManager.h b/packages/react-native/React/Views/RCTModalHostViewManager.h
index 11b52984b308..d2694ea26fd1 100644
--- a/packages/react-native/React/Views/RCTModalHostViewManager.h
+++ b/packages/react-native/React/Views/RCTModalHostViewManager.h
@@ -9,12 +9,6 @@
 #import <React/RCTInvalidating.h>
 #import <React/RCTViewManager.h>
 
-@interface RCTConvert (RCTModalHostView)
-
-+ (UIModalPresentationStyle)UIModalPresentationStyle:(id)json;
-
-@end
-
 typedef void (^RCTModalViewInteractionBlock)(
     UIViewController *reactViewController,
     UIViewController *viewController,
diff --git a/packages/react-native/React/Views/RCTModalHostViewManager.m b/packages/react-native/React/Views/RCTModalHostViewManager.m
index b0295e05ae4d..eccf05f9cb67 100644
--- a/packages/react-native/React/Views/RCTModalHostViewManager.m
+++ b/packages/react-native/React/Views/RCTModalHostViewManager.m
@@ -14,21 +14,6 @@
 #import "RCTShadowView.h"
 #import "RCTUtils.h"
 
-@implementation RCTConvert (RCTModalHostView)
-
-RCT_ENUM_CONVERTER(
-    UIModalPresentationStyle,
-    (@{
-      @"fullScreen" : @(UIModalPresentationFullScreen),
-      @"pageSheet" : @(UIModalPresentationPageSheet),
-      @"formSheet" : @(UIModalPresentationFormSheet),
-      @"overFullScreen" : @(UIModalPresentationOverFullScreen),
-    }),
-    UIModalPresentationFullScreen,
-    integerValue)
-
-@end
-
 @interface RCTModalHostShadowView : RCTShadowView
 
 @end