diff --git a/cabal.project b/cabal.project
index b7a510848c..5b76a94689 100644
--- a/cabal.project
+++ b/cabal.project
@@ -1,5 +1,7 @@
 packages: .
 
+constraints: zip +disable-bzip2 +disable-zstd
+
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/simplexmq.git
diff --git a/package.yaml b/package.yaml
index f1de3ff48b..b4a4d3bb83 100644
--- a/package.yaml
+++ b/package.yaml
@@ -41,16 +41,6 @@ dependencies:
   - unliftio-core == 0.2.*
   - zip == 1.7.*
 
-flags:
-  disable-bzip2:
-    description: removes dependency on bzip2 C library (zip package)
-    manual: True
-    default: True
-  disable-zstd:
-    description: Removes dependency on zstd C library (zip package)
-    manual: True
-    default: True
-
 library:
   source-dirs: src
 
diff --git a/simplex-chat.cabal b/simplex-chat.cabal
index eb91672b1a..61b0e1f5ae 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -17,16 +17,6 @@ build-type:     Simple
 extra-source-files:
     README.md
 
-flag disable-bzip2
-  description: removes dependency on bzip2 C library (zip package)
-  manual: True
-  default: True
-
-flag disable-zstd
-  description: Removes dependency on zstd C library (zip package)
-  manual: True
-  default: True
-
 library
   exposed-modules:
       Simplex.Chat