diff --git a/ql/src/semmle/go/frameworks/stdlib/EncodingHex.qll b/ql/src/semmle/go/frameworks/stdlib/EncodingHex.qll
index 17b9dc858b6..c76c414a5a6 100644
--- a/ql/src/semmle/go/frameworks/stdlib/EncodingHex.qll
+++ b/ql/src/semmle/go/frameworks/stdlib/EncodingHex.qll
@@ -19,29 +19,9 @@ module EncodingHex {
       hasQualifiedName("encoding/hex", "DecodeString") and
       (inp.isParameter(0) and outp.isResult(0))
       or
-      // signature: func Dump(data []byte) string
-      hasQualifiedName("encoding/hex", "Dump") and
-      (inp.isParameter(0) and outp.isResult())
-      or
-      // signature: func Dumper(w io.Writer) io.WriteCloser
-      hasQualifiedName("encoding/hex", "Dumper") and
-      (inp.isResult() and outp.isParameter(0))
-      or
-      // signature: func Encode(dst []byte, src []byte) int
-      hasQualifiedName("encoding/hex", "Encode") and
-      (inp.isParameter(1) and outp.isParameter(0))
-      or
-      // signature: func EncodeToString(src []byte) string
-      hasQualifiedName("encoding/hex", "EncodeToString") and
-      (inp.isParameter(0) and outp.isResult())
-      or
       // signature: func NewDecoder(r io.Reader) io.Reader
       hasQualifiedName("encoding/hex", "NewDecoder") and
       (inp.isParameter(0) and outp.isResult())
-      or
-      // signature: func NewEncoder(w io.Writer) io.Writer
-      hasQualifiedName("encoding/hex", "NewEncoder") and
-      (inp.isResult() and outp.isParameter(0))
     }
 
     override predicate hasTaintFlow(FunctionInput input, FunctionOutput output) {
diff --git a/ql/test/library-tests/semmle/go/frameworks/StdlibTaintFlow/EncodingHex.go b/ql/test/library-tests/semmle/go/frameworks/StdlibTaintFlow/EncodingHex.go
index 38c67ddacf4..ef022b2061b 100644
--- a/ql/test/library-tests/semmle/go/frameworks/StdlibTaintFlow/EncodingHex.go
+++ b/ql/test/library-tests/semmle/go/frameworks/StdlibTaintFlow/EncodingHex.go
@@ -20,45 +20,10 @@ func TaintStepTest_EncodingHexDecodeString_B0I0O0(sourceCQL interface{}) interfa
 	return intoByte650
 }
 
-func TaintStepTest_EncodingHexDump_B0I0O0(sourceCQL interface{}) interface{} {
-	fromByte784 := sourceCQL.([]byte)
-	intoString957 := hex.Dump(fromByte784)
-	return intoString957
-}
-
-func TaintStepTest_EncodingHexDumper_B0I0O0(sourceCQL interface{}) interface{} {
-	fromWriteCloser520 := sourceCQL.(io.WriteCloser)
-	var intoWriter443 io.Writer
-	intermediateCQL := hex.Dumper(intoWriter443)
-	link(fromWriteCloser520, intermediateCQL)
-	return intoWriter443
-}
-
-func TaintStepTest_EncodingHexEncode_B0I0O0(sourceCQL interface{}) interface{} {
-	fromByte127 := sourceCQL.([]byte)
-	var intoByte483 []byte
-	hex.Encode(intoByte483, fromByte127)
-	return intoByte483
-}
-
-func TaintStepTest_EncodingHexEncodeToString_B0I0O0(sourceCQL interface{}) interface{} {
-	fromByte989 := sourceCQL.([]byte)
-	intoString982 := hex.EncodeToString(fromByte989)
-	return intoString982
-}
-
 func TaintStepTest_EncodingHexNewDecoder_B0I0O0(sourceCQL interface{}) interface{} {
-	fromReader417 := sourceCQL.(io.Reader)
-	intoReader584 := hex.NewDecoder(fromReader417)
-	return intoReader584
-}
-
-func TaintStepTest_EncodingHexNewEncoder_B0I0O0(sourceCQL interface{}) interface{} {
-	fromWriter991 := sourceCQL.(io.Writer)
-	var intoWriter881 io.Writer
-	intermediateCQL := hex.NewEncoder(intoWriter881)
-	link(fromWriter991, intermediateCQL)
-	return intoWriter881
+	fromReader784 := sourceCQL.(io.Reader)
+	intoReader957 := hex.NewDecoder(fromReader784)
+	return intoReader957
 }
 
 func RunAllTaints_EncodingHex() {
@@ -74,32 +39,7 @@ func RunAllTaints_EncodingHex() {
 	}
 	{
 		source := newSource(2)
-		out := TaintStepTest_EncodingHexDump_B0I0O0(source)
+		out := TaintStepTest_EncodingHexNewDecoder_B0I0O0(source)
 		sink(2, out)
 	}
-	{
-		source := newSource(3)
-		out := TaintStepTest_EncodingHexDumper_B0I0O0(source)
-		sink(3, out)
-	}
-	{
-		source := newSource(4)
-		out := TaintStepTest_EncodingHexEncode_B0I0O0(source)
-		sink(4, out)
-	}
-	{
-		source := newSource(5)
-		out := TaintStepTest_EncodingHexEncodeToString_B0I0O0(source)
-		sink(5, out)
-	}
-	{
-		source := newSource(6)
-		out := TaintStepTest_EncodingHexNewDecoder_B0I0O0(source)
-		sink(6, out)
-	}
-	{
-		source := newSource(7)
-		out := TaintStepTest_EncodingHexNewEncoder_B0I0O0(source)
-		sink(7, out)
-	}
 }