diff --git a/src/Util/MIMETypeUtil.h b/src/Util/MIMETypeUtil.h
index 36b415d3b..82d463c9c 100644
--- a/src/Util/MIMETypeUtil.h
+++ b/src/Util/MIMETypeUtil.h
@@ -24,11 +24,6 @@ extern NSString *const OWSMimeTypeUnknownForTests;
 + (NSString *)getSupportedExtensionFromImageMIMEType:(NSString *)supportedMIMEType;
 + (NSString *)getSupportedExtensionFromAnimatedMIMEType:(NSString *)supportedMIMEType;
 
-+ (NSString *)getSupportedMIMETypeFromVideoFile:(NSString *)supportedVideoFile;
-+ (NSString *)getSupportedMIMETypeFromAudioFile:(NSString *)supportedAudioFile;
-+ (NSString *)getSupportedMIMETypeFromImageFile:(NSString *)supportedImageFile;
-+ (NSString *)getSupportedMIMETypeFromAnimatedFile:(NSString *)supportedImageFile;
-
 + (BOOL)isAnimated:(NSString *)contentType;
 + (BOOL)isImage:(NSString *)contentType;
 + (BOOL)isVideo:(NSString *)contentType;
@@ -42,11 +37,6 @@ extern NSString *const OWSMimeTypeUnknownForTests;
 
 + (NSURL *)simLinkCorrectExtensionOfFile:(NSURL *)mediaURL ofMIMEType:(NSString *)contentType;
 
-#if TARGET_OS_IPHONE
-+ (NSString *)getSupportedImageMIMETypeFromImage:(UIImage *)image;
-+ (BOOL)getIsSupportedTypeFromImage:(UIImage *)image;
-#endif
-
 + (NSSet<NSString *> *)supportedVideoUTITypes;
 + (NSSet<NSString *> *)supportedAudioUTITypes;
 + (NSSet<NSString *> *)supportedImageUTITypes;
diff --git a/src/Util/MIMETypeUtil.m b/src/Util/MIMETypeUtil.m
index 5751c0075..d9c38c765 100644
--- a/src/Util/MIMETypeUtil.m
+++ b/src/Util/MIMETypeUtil.m
@@ -237,22 +237,6 @@ NSString *const OWSMimeTypeUnknownForTests = @"unknown/mimetype";
     return [[self supportedBinaryDataMIMETypesToExtensionTypes] objectForKey:supportedMIMEType];
 }
 
-+ (NSString *)getSupportedMIMETypeFromVideoFile:(NSString *)supportedVideoFile {
-    return [[self supportedVideoExtensionTypesToMIMETypes] objectForKey:[supportedVideoFile pathExtension]];
-}
-
-+ (NSString *)getSupportedMIMETypeFromAudioFile:(NSString *)supportedAudioFile {
-    return [[self supportedAudioExtensionTypesToMIMETypes] objectForKey:[supportedAudioFile pathExtension]];
-}
-
-+ (NSString *)getSupportedMIMETypeFromImageFile:(NSString *)supportedImageFile {
-    return [[self supportedImageExtensionTypesToMIMETypes] objectForKey:[supportedImageFile pathExtension]];
-}
-
-+ (NSString *)getSupportedMIMETypeFromAnimatedFile:(NSString *)supportedAnimatedFile {
-    return [[self supportedAnimatedExtensionTypesToMIMETypes] objectForKey:[supportedAnimatedFile pathExtension]];
-}
-
 #pragma mark full attachment utilities
 + (BOOL)isAnimated:(NSString *)contentType {
     return [MIMETypeUtil isSupportedAnimatedMIMEType:contentType];
@@ -364,18 +348,6 @@ NSString *const OWSMimeTypeUnknownForTests = @"unknown/mimetype";
     return [[folder stringByAppendingFormat:@"/%@", uniqueId] stringByAppendingPathExtension:fileExtension];
 }
 
-#if TARGET_OS_IPHONE
-
-+ (NSString *)getSupportedImageMIMETypeFromImage:(UIImage *)image {
-    return [image contentType];
-}
-
-+ (BOOL)getIsSupportedTypeFromImage:(UIImage *)image {
-    return [image isSupportedImageType];
-}
-
-#endif
-
 + (NSString *)utiTypeForMIMEType:(NSString *)mimeType
 {
     CFStringRef utiType