diff --git a/octane.cabal b/octane.cabal
--- a/octane.cabal
+++ b/octane.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           octane
-version:        0.5.3
+version:        0.5.5
 synopsis:       Parse Rocket League replays.
 description:    Octane parses Rocket League replays.
 category:       Game
@@ -28,7 +28,7 @@
 library
   hs-source-dirs:
       library
-  ghc-options: -O2 -Wall
+  ghc-options: -Wall
   build-depends:
       aeson >=0.9 && <0.12
     , autoexporter ==0.2.*
@@ -73,7 +73,7 @@
   main-is: Executable.hs
   hs-source-dirs:
       executable
-  ghc-options: -O2 -Wall -rtsopts -threaded -with-rtsopts=-N
+  ghc-options: -Wall -rtsopts -threaded -with-rtsopts=-N
   build-depends:
       base
     , octane
@@ -84,7 +84,7 @@
   main-is: TestSuite.hs
   hs-source-dirs:
       test-suite
-  ghc-options: -O2 -Wall -rtsopts -threaded -with-rtsopts=-N
+  ghc-options: -Wall -rtsopts -threaded -with-rtsopts=-N
   build-depends:
       base
     , binary
@@ -122,7 +122,7 @@
   main-is: Benchmark.hs
   hs-source-dirs:
       benchmark
-  ghc-options: -O2 -Wall -rtsopts -threaded -with-rtsopts=-N
+  ghc-options: -Wall -rtsopts -threaded -with-rtsopts=-N
   build-depends:
       base
     , binary
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -31,9 +31,7 @@
 - package.yaml
 - README.markdown
 - stack.yaml
-ghc-options:
-- -O2
-- -Wall
+ghc-options: -Wall
 github: tfausak/octane
 library:
   dependencies:
@@ -70,4 +68,4 @@
     - -with-rtsopts=-N
     main: TestSuite.hs
     source-dirs: test-suite
-version: '0.5.3'
+version: '0.5.5'