diff --git a/app/build.gradle b/app/build.gradle
index bdb698b533..619c169542 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -252,7 +252,6 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation(name: "android-edittext-validator-v1.3.4-mod", ext: "aar")
     implementation 'com.madgag.spongycastle:core:1.58.0.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
 
     implementation("com.google.android:flexbox:0.3.0") {
         exclude group: "com.android.support"