diff --git a/dist/citra.xml b/dist/citra.xml
index 6d47c8760..aad26254a 100644
--- a/dist/citra.xml
+++ b/dist/citra.xml
@@ -16,7 +16,6 @@
         <expanded-acronym>CTR Cart Image</expanded-acronym>
         <icon name="citra"/>
         <glob pattern="*.cci"/>
-        <glob pattern="*.3ds"/>
         <magic><match value="NCSD" type="string" offset="256"/></magic>
     </mime-type>
 
diff --git a/src/android/app/src/main/java/org/citra/citra_emu/model/Game.kt b/src/android/app/src/main/java/org/citra/citra_emu/model/Game.kt
index 689b4ec25..7fb6825dd 100644
--- a/src/android/app/src/main/java/org/citra/citra_emu/model/Game.kt
+++ b/src/android/app/src/main/java/org/citra/citra_emu/model/Game.kt
@@ -63,7 +63,7 @@ class Game(
         val allExtensions: Set<String> get() = extensions + badExtensions
 
         val extensions: Set<String> = HashSet(
-            listOf("3ds", "3dsx", "elf", "axf", "cci", "cxi", "app")
+            listOf("3dsx", "elf", "axf", "cci", "cxi", "app")
         )
 
         val badExtensions: Set<String> = HashSet(
diff --git a/src/citra_qt/citra_qt.cpp b/src/citra_qt/citra_qt.cpp
index 4ed41742d..0b3c78f70 100644
--- a/src/citra_qt/citra_qt.cpp
+++ b/src/citra_qt/citra_qt.cpp
@@ -3404,8 +3404,8 @@ static bool IsSingleFileDropEvent(const QMimeData* mime) {
     return mime->hasUrls() && mime->urls().length() == 1;
 }
 
-static const std::array<std::string, 8> AcceptedExtensions = {"cci",  "3ds", "cxi", "bin",
-                                                              "3dsx", "app", "elf", "axf"};
+static const std::array<std::string, 8> AcceptedExtensions = {"cci", "cxi", "bin", "3dsx",
+                                                              "app", "elf", "axf"};
 
 static bool IsCorrectFileExtension(const QMimeData* mime) {
     const QString& filename = mime->urls().at(0).toLocalFile();
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index f520e4f00..c1f848b47 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -48,7 +48,7 @@ FileType GuessFromExtension(const std::string& extension_) {
     if (extension == ".elf" || extension == ".axf")
         return FileType::ELF;
 
-    if (extension == ".cci" || extension == ".3ds")
+    if (extension == ".cci")
         return FileType::CCI;
 
     if (extension == ".cxi" || extension == ".app")
diff --git a/src/tests/common/file_util.cpp b/src/tests/common/file_util.cpp
index 8a9ea2a86..bd7fcbdd9 100644
--- a/src/tests/common/file_util.cpp
+++ b/src/tests/common/file_util.cpp
@@ -11,7 +11,7 @@
 #include "common/string_util.h"
 
 TEST_CASE("SplitFilename83 Sanity", "[common]") {
-    std::string filename = "long_ass_file_name.3ds";
+    std::string filename = "long_ass_file_name.cci";
     std::array<char, 9> short_name;
     std::array<char, 4> extension;