diff --git a/Userland/Libraries/LibVideo/CMakeLists.txt b/Userland/Libraries/LibVideo/CMakeLists.txt
index 5e07b893f3..293a106d77 100644
--- a/Userland/Libraries/LibVideo/CMakeLists.txt
+++ b/Userland/Libraries/LibVideo/CMakeLists.txt
@@ -1,14 +1,10 @@
 set(SOURCES
-    MatroskaDocument.h
     MatroskaReader.cpp
     VP9/BitStream.cpp
     VP9/Decoder.cpp
-    VP9/Enums.h
-    VP9/LookupTables.h
     VP9/MV.cpp
     VP9/Parser.cpp
     VP9/ProbabilityTables.cpp
-    VP9/Symbols.h
     VP9/SyntaxElementCounter.cpp
     VP9/TreeParser.cpp
     VP9/Utilities.cpp